20928239640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1$

素因数の和:640

約数の個数: 768

約数和(自身を含む): 90979200000

約数和(自身を除く): 70050960360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 17, 18, 20, 21, 22, 24, 28, 30, 33, 34, 35, 36, 40, 42, 44, 45, 51, 55, 56, 60, 63, 66, 68, 70, 72, 77, 84, 85, 88, 89, 90, 99, 102, 105, 110, 119, 120, 126, 132, 136, 140, 153, 154, 165, 168, 170, 178, 180, 187, 198, 204, 210, 220, 231, 238, 252, 255, 264, 267, 280, 306, 308, 315, 330, 340, 356, 357, 360, 374, 385, 396, 408, 420, 440, 445, 462, 476, 495, 499, 504, 510, 534, 561, 595, 612, 616, 623, 630, 660, 680, 693, 712, 714, 748, 765, 770, 792, 801, 840, 890, 924, 935, 952, 979, 990, 998, 1020, 1068, 1071, 1122, 1155, 1190, 1224, 1246, 1260, 1309, 1320, 1335, 1386, 1428, 1496, 1497, 1513, 1530, 1540, 1602, 1683, 1780, 1785, 1848, 1869, 1870, 1958, 1980, 1996, 2040, 2136, 2142, 2244, 2310, 2380, 2492, 2495, 2520, 2618, 2670, 2772, 2805, 2856, 2937, 2994, 3026, 3060, 3080, 3115, 3204, 3366, 3465, 3493, 3560, 3570, 3738, 3740, 3916, 3927, 3960, 3992, 4005, 4284, 4488, 4491, 4539, 4620, 4760, 4895, 4984, 4990, 5236, 5340, 5355, 5489, 5544, 5607, 5610, 5874, 5988, 6052, 6120, 6230, 6408, 6545, 6732, 6853, 6930, 6986, 7140, 7476, 7480, 7485, 7565, 7832, 7854, 8010, 8415, 8483, 8568, 8811, 8982, 9078, 9240, 9345, 9790, 9980, 10472, 10479, 10591, 10680, 10710, 10978, 11214, 11220, 11748, 11781, 11976, 12104, 12460, 13090, 13464, 13617, 13706, 13860, 13972, 14280, 14685, 14952, 14970, 15130, 15708, 16020, 16467, 16643, 16830, 16966, 17465, 17622, 17964, 18156, 18690, 19580, 19635, 19960, 20559, 20958, 21182, 21420, 21956, 22428, 22440, 22455, 22695, 23496, 23562, 24920, 25449, 26180, 27234, 27412, 27445, 27720, 27944, 28035, 29370, 29940, 30260, 31416, 31437, 31773, 32040, 32934, 33286, 33660, 33932, 34265, 34930, 35244, 35928, 36312, 37380, 38423, 39160, 39270, 41118, 41916, 42364, 42415, 42840, 43912, 44055, 44411, 44856, 44910, 45390, 47124, 49401, 49929, 50898, 52360, 52395, 52955, 54468, 54824, 54890, 56070, 58740, 58905, 59381, 59880, 60520, 61677, 62874, 63546, 65868, 66572, 67320, 67864, 68085, 68530, 69860, 70488, 74760, 76347, 76846, 78540, 82236, 82335, 83215, 83832, 84728, 84830, 88110, 88822, 89820, 90780, 93313, 94248, 95319, 98802, 99858, 101796, 102795, 104790, 105910, 108936, 109780, 112140, 115269, 116501, 117480, 117810, 118762, 123354, 125748, 127092, 127245, 131736, 133144, 133233, 136170, 137060, 139720, 149787, 152694, 153692, 157080, 157185, 158865, 164472, 164670, 166430, 169660, 176220, 177644, 178143, 179640, 181560, 186626, 190638, 192115, 197604, 199716, 203592, 205590, 209580, 211820, 219560, 222055, 224280, 230538, 233002, 235620, 237524, 246708, 247005, 249645, 251496, 254184, 254490, 266466, 272340, 274120, 279939, 296905, 299574, 305388, 307384, 308385, 310877, 314370, 317730, 329340, 332860, 339320, 345807, 349503, 352440, 355288, 356286, 373252, 381276, 381735, 384230, 395208, 399432, 399699, 411180, 419160, 423640, 444110, 461076, 466004, 466565, 471240, 475048, 476595, 488521, 493416, 494010, 499290, 508980, 532932, 534429, 544680, 559878, 576345, 582505, 593810, 599148, 610776, 616770, 621754, 628740, 635460, 653191, 658680, 665720, 666165, 691614, 699006, 712572, 746504, 748935, 754987, 762552, 763470, 768460, 799398, 822360, 839817, 888220, 890715, 922152, 932008, 932631, 933130, 953190, 977042, 988020, 998580, 1017960, 1048509, 1065864, 1068858, 1119756, 1152690, 1165010, 1187620, 1198296, 1233540, 1243508, 1257480, 1270920, 1306382, 1332330, 1383228, 1398012, 1399695, 1425144, 1465563, 1497870, 1509974, 1526940, 1536920, 1554385, 1598796, 1679634, 1729035, 1747515, 1776440, 1781430, 1865262, 1866260, 1906380, 1954084, 1959573, 1976040, 1997160, 1998495, 2097018, 2137716, 2239512, 2264961, 2305380, 2330020, 2375240, 2442605, 2467080, 2487016, 2612764, 2664660, 2672145, 2766456, 2796024, 2797893, 2799390, 2931126, 2995740, 3019948, 3053880, 3108770, 3197592, 3265955, 3359268, 3419647, 3458070, 3495030, 3562860, 3730524, 3732520, 3774935, 3812760, 3908168, 3919146, 3996990, 4194036, 4199085, 4275432, 4396689, 4529922, 4610760, 4660040, 4663155, 4885210, 5225528, 5242545, 5284909, 5329320, 5344290, 5595786, 5598780, 5862252, 5878719, 5991480, 6039896, 6217540, 6531910, 6718536, 6794883, 6839294, 6916140, 6990060, 7125720, 7327815, 7461048, 7549870, 7838292, 7993980, 8304857, 8388072, 8398170, 8793378, 9059844, 9326310, 9770420, 9797865, 10258941, 10485090, 10569818, 10688580, 11191572, 11197560, 11324805, 11724504, 11757438, 12435080, 13063820, 13589766, 13678588, 13832280, 13980120, 13989465, 14655630, 15099740, 15676584, 15854727, 15987960, 16609714, 16796340, 17098235, 17586756, 18119688, 18652620, 19540840, 19595730, 20517882, 20970180, 21139636, 21377160, 21983445, 22383144, 22649610, 23514876, 24914571, 26127640, 26424545, 27179532, 27357176, 27978930, 29311260, 29393595, 30199480, 30776823, 31709454, 33219428, 33592680, 33974415, 34196470, 35173512, 37305240, 39191460, 41035764, 41524285, 41940360, 42279272, 43966890, 45299220, 47029752, 47564181, 49829142, 51294705, 52849090, 54359064, 55957860, 58133999, 58622520, 58787190, 61553646, 63418908, 66438856, 67948830, 68392940, 74743713, 78382920, 79273635, 82071528, 83048570, 87933780, 90598440, 95128362, 99658284, 102589410, 105698180, 111915720, 116267998, 117574380, 123107292, 124572855, 126837816, 135897660, 136785880, 149487426, 153884115, 158547270, 166097140, 174401997, 175867560, 190256724, 199316568, 205178820, 211396360, 232535996, 235148760, 237820905, 246214584, 249145710, 271795320, 290669995, 298974852, 307768230, 317094540, 332194280, 348803994, 373718565, 380513448, 410357640, 465071992, 475641810, 498291420, 523205991, 581339990, 597949704, 615536460, 634189080, 697607988, 747437130, 872009985, 951283620, 996582840, 1046411982, 1162679980, 1231072920, 1395215976, 1494874260, 1744019970, 1902567240, 2092823964, 2325359960, 2616029955, 2989748520, 3488039940, 4185647928, 5232059910, 6976079880, 10464119820, 20928239640]

約数ペア:

[(1, 20928239640), (2, 10464119820), (3, 6976079880), (4, 5232059910), (5, 4185647928), (6, 3488039940), (7, 2989748520), (8, 2616029955), (9, 2325359960), (10, 2092823964), (11, 1902567240), (12, 1744019970), (14, 1494874260), (15, 1395215976), (17, 1231072920), (18, 1162679980), (20, 1046411982), (21, 996582840), (22, 951283620), (24, 872009985), (28, 747437130), (30, 697607988), (33, 634189080), (34, 615536460), (35, 597949704), (36, 581339990), (40, 523205991), (42, 498291420), (44, 475641810), (45, 465071992), (51, 410357640), (55, 380513448), (56, 373718565), (60, 348803994), (63, 332194280), (66, 317094540), (68, 307768230), (70, 298974852), (72, 290669995), (77, 271795320), (84, 249145710), (85, 246214584), (88, 237820905), (89, 235148760), (90, 232535996), (99, 211396360), (102, 205178820), (105, 199316568), (110, 190256724), (119, 175867560), (120, 174401997), (126, 166097140), (132, 158547270), (136, 153884115), (140, 149487426), (153, 136785880), (154, 135897660), (165, 126837816), (168, 124572855), (170, 123107292), (178, 117574380), (180, 116267998), (187, 111915720), (198, 105698180), (204, 102589410), (210, 99658284), (220, 95128362), (231, 90598440), (238, 87933780), (252, 83048570), (255, 82071528), (264, 79273635), (267, 78382920), (280, 74743713), (306, 68392940), (308, 67948830), (315, 66438856), (330, 63418908), (340, 61553646), (356, 58787190), (357, 58622520), (360, 58133999), (374, 55957860), (385, 54359064), (396, 52849090), (408, 51294705), (420, 49829142), (440, 47564181), (445, 47029752), (462, 45299220), (476, 43966890), (495, 42279272), (499, 41940360), (504, 41524285), (510, 41035764), (534, 39191460), (561, 37305240), (595, 35173512), (612, 34196470), (616, 33974415), (623, 33592680), (630, 33219428), (660, 31709454), (680, 30776823), (693, 30199480), (712, 29393595), (714, 29311260), (748, 27978930), (765, 27357176), (770, 27179532), (792, 26424545), (801, 26127640), (840, 24914571), (890, 23514876), (924, 22649610), (935, 22383144), (952, 21983445), (979, 21377160), (990, 21139636), (998, 20970180), (1020, 20517882), (1068, 19595730), (1071, 19540840), (1122, 18652620), (1155, 18119688), (1190, 17586756), (1224, 17098235), (1246, 16796340), (1260, 16609714), (1309, 15987960), (1320, 15854727), (1335, 15676584), (1386, 15099740), (1428, 14655630), (1496, 13989465), (1497, 13980120), (1513, 13832280), (1530, 13678588), (1540, 13589766), (1602, 13063820), (1683, 12435080), (1780, 11757438), (1785, 11724504), (1848, 11324805), (1869, 11197560), (1870, 11191572), (1958, 10688580), (1980, 10569818), (1996, 10485090), (2040, 10258941), (2136, 9797865), (2142, 9770420), (2244, 9326310), (2310, 9059844), (2380, 8793378), (2492, 8398170), (2495, 8388072), (2520, 8304857), (2618, 7993980), (2670, 7838292), (2772, 7549870), (2805, 7461048), (2856, 7327815), (2937, 7125720), (2994, 6990060), (3026, 6916140), (3060, 6839294), (3080, 6794883), (3115, 6718536), (3204, 6531910), (3366, 6217540), (3465, 6039896), (3493, 5991480), (3560, 5878719), (3570, 5862252), (3738, 5598780), (3740, 5595786), (3916, 5344290), (3927, 5329320), (3960, 5284909), (3992, 5242545), (4005, 5225528), (4284, 4885210), (4488, 4663155), (4491, 4660040), (4539, 4610760), (4620, 4529922), (4760, 4396689), (4895, 4275432), (4984, 4199085), (4990, 4194036), (5236, 3996990), (5340, 3919146), (5355, 3908168), (5489, 3812760), (5544, 3774935), (5607, 3732520), (5610, 3730524), (5874, 3562860), (5988, 3495030), (6052, 3458070), (6120, 3419647), (6230, 3359268), (6408, 3265955), (6545, 3197592), (6732, 3108770), (6853, 3053880), (6930, 3019948), (6986, 2995740), (7140, 2931126), (7476, 2799390), (7480, 2797893), (7485, 2796024), (7565, 2766456), (7832, 2672145), (7854, 2664660), (8010, 2612764), (8415, 2487016), (8483, 2467080), (8568, 2442605), (8811, 2375240), (8982, 2330020), (9078, 2305380), (9240, 2264961), (9345, 2239512), (9790, 2137716), (9980, 2097018), (10472, 1998495), (10479, 1997160), (10591, 1976040), (10680, 1959573), (10710, 1954084), (10978, 1906380), (11214, 1866260), (11220, 1865262), (11748, 1781430), (11781, 1776440), (11976, 1747515), (12104, 1729035), (12460, 1679634), (13090, 1598796), (13464, 1554385), (13617, 1536920), (13706, 1526940), (13860, 1509974), (13972, 1497870), (14280, 1465563), (14685, 1425144), (14952, 1399695), (14970, 1398012), (15130, 1383228), (15708, 1332330), (16020, 1306382), (16467, 1270920), (16643, 1257480), (16830, 1243508), (16966, 1233540), (17465, 1198296), (17622, 1187620), (17964, 1165010), (18156, 1152690), (18690, 1119756), (19580, 1068858), (19635, 1065864), (19960, 1048509), (20559, 1017960), (20958, 998580), (21182, 988020), (21420, 977042), (21956, 953190), (22428, 933130), (22440, 932631), (22455, 932008), (22695, 922152), (23496, 890715), (23562, 888220), (24920, 839817), (25449, 822360), (26180, 799398), (27234, 768460), (27412, 763470), (27445, 762552), (27720, 754987), (27944, 748935), (28035, 746504), (29370, 712572), (29940, 699006), (30260, 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(78540, 266466), (82236, 254490), (82335, 254184), (83215, 251496), (83832, 249645), (84728, 247005), (84830, 246708), (88110, 237524), (88822, 235620), (89820, 233002), (90780, 230538), (93313, 224280), (94248, 222055), (95319, 219560), (98802, 211820), (99858, 209580), (101796, 205590), (102795, 203592), (104790, 199716), (105910, 197604), (108936, 192115), (109780, 190638), (112140, 186626), (115269, 181560), (116501, 179640), (117480, 178143), (117810, 177644), (118762, 176220), (123354, 169660), (125748, 166430), (127092, 164670), (127245, 164472), (131736, 158865), (133144, 157185), (133233, 157080), (136170, 153692), (137060, 152694), (139720, 149787)]