20457150480

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:468

約数の個数: 640

約数和(自身を含む): 79674900480

約数和(自身を除く): 59217750000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 31, 36, 39, 40, 45, 48, 52, 54, 60, 62, 65, 71, 72, 78, 80, 90, 93, 104, 108, 117, 120, 124, 130, 135, 142, 144, 155, 156, 180, 186, 195, 208, 213, 216, 234, 240, 248, 260, 270, 279, 284, 310, 312, 331, 351, 355, 360, 372, 390, 403, 426, 432, 465, 468, 496, 520, 540, 558, 568, 585, 620, 624, 639, 662, 702, 710, 720, 744, 780, 806, 837, 852, 923, 930, 936, 993, 1040, 1065, 1080, 1116, 1136, 1170, 1209, 1240, 1278, 1324, 1395, 1404, 1420, 1488, 1560, 1612, 1655, 1674, 1704, 1755, 1846, 1860, 1872, 1917, 1986, 2015, 2130, 2160, 2201, 2232, 2340, 2418, 2480, 2556, 2648, 2769, 2790, 2808, 2840, 2979, 3120, 3195, 3224, 3310, 3348, 3408, 3510, 3627, 3692, 3720, 3834, 3972, 4030, 4185, 4260, 4303, 4402, 4464, 4615, 4680, 4836, 4965, 5112, 5296, 5538, 5580, 5616, 5680, 5958, 6045, 6390, 6448, 6603, 6620, 6696, 7020, 7254, 7384, 7440, 7668, 7944, 8060, 8307, 8370, 8520, 8606, 8804, 8937, 9230, 9360, 9585, 9672, 9930, 10224, 10261, 10881, 11005, 11076, 11160, 11916, 12090, 12780, 12909, 13206, 13240, 13392, 13845, 14040, 14508, 14768, 14895, 15336, 15888, 16120, 16614, 16740, 17040, 17212, 17608, 17874, 18135, 18460, 19170, 19344, 19809, 19860, 20522, 21515, 21762, 22010, 22152, 22320, 23501, 23832, 24180, 24921, 25560, 25818, 26412, 26480, 27690, 28080, 28613, 29016, 29790, 30672, 30783, 32240, 33015, 33228, 33480, 34424, 35216, 35748, 36270, 36920, 38340, 38727, 39618, 39720, 41044, 41535, 43030, 43524, 44020, 44304, 44685, 47002, 47664, 48360, 49842, 51120, 51305, 51636, 52824, 54405, 55380, 57226, 58032, 59427, 59580, 61566, 64545, 66030, 66456, 66960, 68848, 70503, 71496, 72540, 73840, 76680, 77454, 79236, 79440, 82088, 83070, 85839, 86060, 87048, 88040, 89370, 92349, 94004, 96720, 99045, 99684, 102610, 103272, 105648, 108810, 110760, 114452, 116181, 117505, 118854, 119160, 123132, 124605, 129090, 132060, 132912, 133393, 141006, 142992, 143065, 145080, 153360, 153915, 154908, 158472, 164176, 166140, 171678, 172120, 174096, 176080, 178740, 184698, 188008, 193635, 198090, 199368, 205220, 206544, 211509, 217620, 221520, 228904, 232362, 235010, 237708, 238320, 246264, 249210, 257517, 258180, 264120, 266786, 277047, 282012, 286130, 290160, 297135, 305513, 307830, 309816, 316944, 332280, 343356, 344240, 352515, 357480, 369396, 376016, 387270, 396180, 398736, 400179, 410440, 423018, 429195, 435240, 457808, 461745, 464724, 470020, 475416, 492528, 498420, 515034, 516360, 528240, 533572, 554094, 564024, 572260, 580905, 594270, 611026, 615660, 619632, 634527, 664560, 666965, 686712, 705030, 714960, 728531, 738792, 772551, 774540, 792360, 800358, 820880, 846036, 858390, 870480, 916539, 923490, 929448, 940040, 950832, 996840, 1030068, 1032720, 1057545, 1067144, 1108188, 1128048, 1144520, 1161810, 1188540, 1200537, 1222052, 1231320, 1269054, 1287585, 1333930, 1373424, 1385235, 1410060, 1457062, 1477584, 1527565, 1545102, 1549080, 1584720, 1600716, 1692072, 1716780, 1833078, 1846980, 1858896, 1880080, 1993680, 2000895, 2060136, 2115090, 2134288, 2185593, 2216376, 2289040, 2323620, 2377080, 2401074, 2444104, 2462640, 2538108, 2575170, 2667860, 2749617, 2770470, 2820120, 2914124, 3055130, 3090204, 3098160, 3172635, 3201432, 3384144, 3433560, 3601611, 3642655, 3666156, 3693960, 3862755, 4001790, 4120272, 4230180, 4371186, 4432752, 4582695, 4647240, 4754160, 4802148, 4888208, 5076216, 5150340, 5335720, 5499234, 5540940, 5640240, 5828248, 6002685, 6110260, 6180408, 6345270, 6402864, 6556779, 6867120, 7203222, 7285310, 7332312, 7387920, 7725510, 8003580, 8248851, 8460360, 8742372, 9165390, 9294480, 9470903, 9604296, 10152432, 10300680, 10671440, 10927965, 10998468, 11081880, 11656496, 12005370, 12220520, 12360816, 12690540, 13113558, 13748085, 14406444, 14570620, 14664624, 15451020, 16007160, 16497702, 16920720, 17484744, 18008055, 18330780, 18941806, 19208592, 19670337, 20601360, 21855930, 21996936, 22163760, 24010740, 24441040, 25381080, 26227116, 27496170, 28412709, 28812888, 29141240, 30902040, 32014320, 32783895, 32995404, 34969488, 36016110, 36661560, 37883612, 39340674, 41244255, 43711860, 43993872, 47354515, 48021480, 50762160, 52454232, 54992340, 56825418, 57625776, 58282480, 61804080, 65567790, 65990808, 72032220, 73323120, 75767224, 78681348, 82488510, 85238127, 87423720, 94709030, 96042960, 98351685, 104908464, 109984680, 113650836, 131135580, 131981616, 142063545, 144064440, 151534448, 157362696, 164977020, 170476254, 174847440, 189418060, 196703370, 219969360, 227301672, 255714381, 262271160, 284127090, 288128880, 314725392, 329954040, 340952508, 378836120, 393406740, 426190635, 454603344, 511428762, 524542320, 568254180, 659908080, 681905016, 757672240, 786813480, 852381270, 1022857524, 1136508360, 1278571905, 1363810032, 1573626960, 1704762540, 2045715048, 2273016720, 2557143810, 3409525080, 4091430096, 5114287620, 6819050160, 10228575240, 20457150480]

約数ペア:

[(1, 20457150480), (2, 10228575240), (3, 6819050160), (4, 5114287620), (5, 4091430096), (6, 3409525080), (8, 2557143810), (9, 2273016720), (10, 2045715048), (12, 1704762540), (13, 1573626960), (15, 1363810032), (16, 1278571905), (18, 1136508360), (20, 1022857524), (24, 852381270), (26, 786813480), (27, 757672240), (30, 681905016), (31, 659908080), (36, 568254180), (39, 524542320), (40, 511428762), (45, 454603344), (48, 426190635), (52, 393406740), (54, 378836120), (60, 340952508), (62, 329954040), (65, 314725392), (71, 288128880), (72, 284127090), (78, 262271160), (80, 255714381), (90, 227301672), (93, 219969360), (104, 196703370), (108, 189418060), (117, 174847440), (120, 170476254), (124, 164977020), (130, 157362696), (135, 151534448), (142, 144064440), (144, 142063545), (155, 131981616), (156, 131135580), (180, 113650836), (186, 109984680), (195, 104908464), (208, 98351685), (213, 96042960), (216, 94709030), (234, 87423720), (240, 85238127), (248, 82488510), (260, 78681348), (270, 75767224), (279, 73323120), (284, 72032220), (310, 65990808), (312, 65567790), (331, 61804080), (351, 58282480), (355, 57625776), (360, 56825418), (372, 54992340), (390, 52454232), (403, 50762160), (426, 48021480), (432, 47354515), (465, 43993872), (468, 43711860), (496, 41244255), (520, 39340674), (540, 37883612), (558, 36661560), (568, 36016110), (585, 34969488), (620, 32995404), (624, 32783895), (639, 32014320), (662, 30902040), (702, 29141240), (710, 28812888), (720, 28412709), (744, 27496170), (780, 26227116), (806, 25381080), (837, 24441040), (852, 24010740), (923, 22163760), (930, 21996936), (936, 21855930), (993, 20601360), (1040, 19670337), (1065, 19208592), (1080, 18941806), (1116, 18330780), (1136, 18008055), (1170, 17484744), (1209, 16920720), (1240, 16497702), (1278, 16007160), (1324, 15451020), (1395, 14664624), (1404, 14570620), (1420, 14406444), (1488, 13748085), (1560, 13113558), (1612, 12690540), (1655, 12360816), (1674, 12220520), (1704, 12005370), (1755, 11656496), (1846, 11081880), (1860, 10998468), (1872, 10927965), (1917, 10671440), (1986, 10300680), (2015, 10152432), (2130, 9604296), (2160, 9470903), (2201, 9294480), (2232, 9165390), (2340, 8742372), (2418, 8460360), (2480, 8248851), (2556, 8003580), (2648, 7725510), (2769, 7387920), (2790, 7332312), (2808, 7285310), (2840, 7203222), (2979, 6867120), (3120, 6556779), (3195, 6402864), (3224, 6345270), (3310, 6180408), (3348, 6110260), (3408, 6002685), (3510, 5828248), (3627, 5640240), (3692, 5540940), (3720, 5499234), (3834, 5335720), (3972, 5150340), (4030, 5076216), (4185, 4888208), (4260, 4802148), (4303, 4754160), (4402, 4647240), (4464, 4582695), (4615, 4432752), (4680, 4371186), (4836, 4230180), (4965, 4120272), (5112, 4001790), (5296, 3862755), (5538, 3693960), (5580, 3666156), (5616, 3642655), (5680, 3601611), (5958, 3433560), (6045, 3384144), (6390, 3201432), (6448, 3172635), (6603, 3098160), (6620, 3090204), (6696, 3055130), (7020, 2914124), (7254, 2820120), (7384, 2770470), (7440, 2749617), (7668, 2667860), (7944, 2575170), (8060, 2538108), (8307, 2462640), (8370, 2444104), (8520, 2401074), (8606, 2377080), (8804, 2323620), (8937, 2289040), (9230, 2216376), (9360, 2185593), (9585, 2134288), (9672, 2115090), (9930, 2060136), (10224, 2000895), (10261, 1993680), (10881, 1880080), (11005, 1858896), (11076, 1846980), (11160, 1833078), (11916, 1716780), (12090, 1692072), (12780, 1600716), (12909, 1584720), (13206, 1549080), (13240, 1545102), (13392, 1527565), (13845, 1477584), (14040, 1457062), (14508, 1410060), (14768, 1385235), (14895, 1373424), (15336, 1333930), (15888, 1287585), (16120, 1269054), (16614, 1231320), (16740, 1222052), (17040, 1200537), (17212, 1188540), (17608, 1161810), (17874, 1144520), (18135, 1128048), (18460, 1108188), (19170, 1067144), (19344, 1057545), (19809, 1032720), (19860, 1030068), (20522, 996840), (21515, 950832), (21762, 940040), (22010, 929448), (22152, 923490), (22320, 916539), (23501, 870480), (23832, 858390), (24180, 846036), (24921, 820880), (25560, 800358), (25818, 792360), (26412, 774540), (26480, 772551), (27690, 738792), (28080, 728531), (28613, 714960), (29016, 705030), (29790, 686712), (30672, 666965), (30783, 664560), (32240, 634527), (33015, 619632), (33228, 615660), (33480, 611026), (34424, 594270), (35216, 580905), (35748, 572260), (36270, 564024), (36920, 554094), (38340, 533572), (38727, 528240), (39618, 516360), (39720, 515034), (41044, 498420), (41535, 492528), (43030, 475416), (43524, 470020), (44020, 464724), (44304, 461745), (44685, 457808), (47002, 435240), (47664, 429195), (48360, 423018), (49842, 410440), (51120, 400179), (51305, 398736), (51636, 396180), (52824, 387270), (54405, 376016), (55380, 369396), (57226, 357480), (58032, 352515), (59427, 344240), (59580, 343356), (61566, 332280), (64545, 316944), (66030, 309816), (66456, 307830), (66960, 305513), (68848, 297135), (70503, 290160), (71496, 286130), (72540, 282012), (73840, 277047), (76680, 266786), (77454, 264120), (79236, 258180), (79440, 257517), (82088, 249210), (83070, 246264), (85839, 238320), (86060, 237708), (87048, 235010), (88040, 232362), (89370, 228904), (92349, 221520), (94004, 217620), (96720, 211509), (99045, 206544), (99684, 205220), (102610, 199368), (103272, 198090), (105648, 193635), (108810, 188008), (110760, 184698), (114452, 178740), (116181, 176080), (117505, 174096), (118854, 172120), (119160, 171678), (123132, 166140), (124605, 164176), (129090, 158472), (132060, 154908), (132912, 153915), (133393, 153360), (141006, 145080), (142992, 143065)]