640470240

素因数分解:

$2^5\times 3^6\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:86

約数の個数: 504

約数和(自身を含む): 2536765560

約数和(自身を除く): 1896295320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 19, 20, 24, 27, 30, 32, 34, 36, 38, 40, 45, 48, 51, 54, 57, 60, 68, 72, 76, 80, 81, 85, 90, 95, 96, 102, 108, 114, 120, 135, 136, 144, 152, 153, 160, 162, 170, 171, 180, 190, 204, 216, 228, 240, 243, 255, 270, 272, 285, 288, 289, 304, 306, 323, 324, 340, 342, 360, 380, 405, 408, 432, 456, 459, 480, 486, 510, 513, 540, 544, 570, 578, 608, 612, 646, 648, 680, 684, 720, 729, 760, 765, 810, 816, 855, 864, 867, 912, 918, 969, 972, 1020, 1026, 1080, 1140, 1156, 1215, 1224, 1292, 1296, 1360, 1368, 1377, 1440, 1445, 1458, 1520, 1530, 1539, 1615, 1620, 1632, 1710, 1734, 1824, 1836, 1938, 1944, 2040, 2052, 2160, 2280, 2295, 2312, 2430, 2448, 2565, 2584, 2592, 2601, 2720, 2736, 2754, 2890, 2907, 2916, 3040, 3060, 3078, 3230, 3240, 3420, 3468, 3645, 3672, 3876, 3888, 4080, 4104, 4131, 4320, 4335, 4560, 4590, 4617, 4624, 4845, 4860, 4896, 5130, 5168, 5202, 5472, 5491, 5508, 5780, 5814, 5832, 6120, 6156, 6460, 6480, 6840, 6885, 6936, 7290, 7344, 7695, 7752, 7776, 7803, 8160, 8208, 8262, 8670, 8721, 9120, 9180, 9234, 9248, 9690, 9720, 10260, 10336, 10404, 10982, 11016, 11560, 11628, 11664, 12240, 12312, 12393, 12920, 12960, 13005, 13680, 13770, 13851, 13872, 14535, 14580, 14688, 15390, 15504, 15606, 16416, 16473, 16524, 17340, 17442, 18360, 18468, 19380, 19440, 20520, 20655, 20808, 21964, 22032, 23085, 23120, 23256, 23328, 23409, 24480, 24624, 24786, 25840, 26010, 26163, 27360, 27455, 27540, 27702, 27744, 29070, 29160, 30780, 31008, 31212, 32946, 33048, 34680, 34884, 36720, 36936, 38760, 38880, 39015, 41040, 41310, 41616, 43605, 43928, 44064, 46170, 46240, 46512, 46818, 49248, 49419, 49572, 51680, 52020, 52326, 54910, 55080, 55404, 58140, 58320, 61560, 61965, 62424, 65892, 66096, 69255, 69360, 69768, 70227, 73440, 73872, 77520, 78030, 78489, 82080, 82365, 82620, 83232, 87210, 87856, 92340, 93024, 93636, 98838, 99144, 104040, 104652, 109820, 110160, 110808, 116280, 116640, 117045, 123120, 123930, 124848, 130815, 131784, 132192, 138510, 138720, 139536, 140454, 147744, 148257, 155040, 156060, 156978, 164730, 165240, 174420, 175712, 184680, 187272, 197676, 198288, 208080, 209304, 210681, 219640, 220320, 221616, 232560, 234090, 235467, 246240, 247095, 247860, 249696, 261630, 263568, 277020, 279072, 280908, 296514, 312120, 313956, 329460, 330480, 348840, 351135, 369360, 374544, 392445, 395352, 396576, 416160, 418608, 421362, 439280, 443232, 444771, 465120, 468180, 470934, 494190, 495720, 523260, 527136, 554040, 561816, 593028, 624240, 627912, 658920, 660960, 697680, 702270, 738720, 741285, 749088, 784890, 790704, 837216, 842724, 878560, 889542, 936360, 941868, 988380, 991440, 1046520, 1053405, 1108080, 1123632, 1177335, 1186056, 1248480, 1255824, 1317840, 1334313, 1395360, 1404540, 1482570, 1569780, 1581408, 1685448, 1779084, 1872720, 1883736, 1976760, 1982880, 2093040, 2106810, 2216160, 2223855, 2247264, 2354670, 2372112, 2511648, 2635680, 2668626, 2809080, 2965140, 3139560, 3370896, 3558168, 3745440, 3767472, 3953520, 4002939, 4186080, 4213620, 4447710, 4709340, 4744224, 5337252, 5618160, 5930280, 6279120, 6671565, 6741792, 7116336, 7534944, 7907040, 8005878, 8427240, 8895420, 9418680, 10674504, 11236320, 11860560, 12558240, 13343130, 14232672, 16011756, 16854480, 17790840, 18837360, 20014695, 21349008, 23721120, 26686260, 32023512, 33708960, 35581680, 37674720, 40029390, 42698016, 53372520, 64047024, 71163360, 80058780, 106745040, 128094048, 160117560, 213490080, 320235120, 640470240]

約数ペア:

[(1, 640470240), (2, 320235120), (3, 213490080), (4, 160117560), (5, 128094048), (6, 106745040), (8, 80058780), (9, 71163360), (10, 64047024), (12, 53372520), (15, 42698016), (16, 40029390), (17, 37674720), (18, 35581680), (19, 33708960), (20, 32023512), (24, 26686260), (27, 23721120), (30, 21349008), (32, 20014695), (34, 18837360), (36, 17790840), (38, 16854480), (40, 16011756), (45, 14232672), (48, 13343130), (51, 12558240), (54, 11860560), (57, 11236320), (60, 10674504), (68, 9418680), (72, 8895420), (76, 8427240), (80, 8005878), (81, 7907040), (85, 7534944), (90, 7116336), (95, 6741792), (96, 6671565), (102, 6279120), (108, 5930280), (114, 5618160), (120, 5337252), (135, 4744224), (136, 4709340), (144, 4447710), (152, 4213620), (153, 4186080), (160, 4002939), (162, 3953520), (170, 3767472), (171, 3745440), (180, 3558168), (190, 3370896), (204, 3139560), (216, 2965140), (228, 2809080), (240, 2668626), (243, 2635680), (255, 2511648), (270, 2372112), (272, 2354670), (285, 2247264), (288, 2223855), (289, 2216160), (304, 2106810), (306, 2093040), (323, 1982880), (324, 1976760), (340, 1883736), (342, 1872720), (360, 1779084), (380, 1685448), (405, 1581408), (408, 1569780), (432, 1482570), (456, 1404540), (459, 1395360), (480, 1334313), (486, 1317840), (510, 1255824), (513, 1248480), (540, 1186056), (544, 1177335), (570, 1123632), (578, 1108080), (608, 1053405), (612, 1046520), (646, 991440), (648, 988380), (680, 941868), (684, 936360), (720, 889542), (729, 878560), (760, 842724), (765, 837216), (810, 790704), (816, 784890), (855, 749088), (864, 741285), (867, 738720), (912, 702270), (918, 697680), (969, 660960), (972, 658920), (1020, 627912), (1026, 624240), (1080, 593028), (1140, 561816), (1156, 554040), (1215, 527136), (1224, 523260), (1292, 495720), (1296, 494190), (1360, 470934), (1368, 468180), (1377, 465120), (1440, 444771), (1445, 443232), (1458, 439280), (1520, 421362), (1530, 418608), (1539, 416160), (1615, 396576), (1620, 395352), (1632, 392445), (1710, 374544), (1734, 369360), (1824, 351135), (1836, 348840), (1938, 330480), (1944, 329460), (2040, 313956), (2052, 312120), (2160, 296514), (2280, 280908), (2295, 279072), (2312, 277020), (2430, 263568), (2448, 261630), (2565, 249696), (2584, 247860), (2592, 247095), (2601, 246240), (2720, 235467), (2736, 234090), (2754, 232560), (2890, 221616), (2907, 220320), (2916, 219640), (3040, 210681), (3060, 209304), (3078, 208080), (3230, 198288), (3240, 197676), (3420, 187272), (3468, 184680), (3645, 175712), (3672, 174420), (3876, 165240), (3888, 164730), (4080, 156978), (4104, 156060), (4131, 155040), (4320, 148257), (4335, 147744), (4560, 140454), (4590, 139536), (4617, 138720), (4624, 138510), (4845, 132192), (4860, 131784), (4896, 130815), (5130, 124848), (5168, 123930), (5202, 123120), (5472, 117045), (5491, 116640), (5508, 116280), (5780, 110808), (5814, 110160), (5832, 109820), (6120, 104652), (6156, 104040), (6460, 99144), (6480, 98838), (6840, 93636), (6885, 93024), (6936, 92340), (7290, 87856), (7344, 87210), (7695, 83232), (7752, 82620), (7776, 82365), (7803, 82080), (8160, 78489), (8208, 78030), (8262, 77520), (8670, 73872), (8721, 73440), (9120, 70227), (9180, 69768), (9234, 69360), (9248, 69255), (9690, 66096), (9720, 65892), (10260, 62424), (10336, 61965), (10404, 61560), (10982, 58320), (11016, 58140), (11560, 55404), (11628, 55080), (11664, 54910), (12240, 52326), (12312, 52020), (12393, 51680), (12920, 49572), (12960, 49419), (13005, 49248), (13680, 46818), (13770, 46512), (13851, 46240), (13872, 46170), (14535, 44064), (14580, 43928), (14688, 43605), (15390, 41616), (15504, 41310), (15606, 41040), (16416, 39015), (16473, 38880), (16524, 38760), (17340, 36936), (17442, 36720), (18360, 34884), (18468, 34680), (19380, 33048), (19440, 32946), (20520, 31212), (20655, 31008), (20808, 30780), (21964, 29160), (22032, 29070), (23085, 27744), (23120, 27702), (23256, 27540), (23328, 27455), (23409, 27360), (24480, 26163), (24624, 26010), (24786, 25840)]