64705680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:286

約数の個数: 240

約数和(自身を含む): 242651136

約数和(自身を除く): 177945456

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 31, 36, 39, 40, 45, 48, 52, 60, 62, 65, 72, 78, 80, 90, 93, 104, 117, 120, 124, 130, 144, 155, 156, 180, 186, 195, 208, 223, 234, 240, 248, 260, 279, 310, 312, 360, 372, 390, 403, 446, 465, 468, 496, 520, 558, 585, 620, 624, 669, 720, 744, 780, 806, 892, 930, 936, 1040, 1115, 1116, 1170, 1209, 1240, 1338, 1395, 1488, 1560, 1612, 1784, 1860, 1872, 2007, 2015, 2230, 2232, 2340, 2418, 2480, 2676, 2790, 2899, 3120, 3224, 3345, 3568, 3627, 3720, 4014, 4030, 4460, 4464, 4680, 4836, 5352, 5580, 5798, 6045, 6448, 6690, 6913, 7254, 7440, 8028, 8060, 8697, 8920, 9360, 9672, 10035, 10704, 11160, 11596, 12090, 13380, 13826, 14495, 14508, 16056, 16120, 17394, 17840, 18135, 19344, 20070, 20739, 22320, 23192, 24180, 26091, 26760, 27652, 28990, 29016, 32112, 32240, 34565, 34788, 36270, 40140, 41478, 43485, 46384, 48360, 52182, 53520, 55304, 57980, 58032, 62217, 69130, 69576, 72540, 80280, 82956, 86970, 89869, 96720, 103695, 104364, 110608, 115960, 124434, 130455, 138260, 139152, 145080, 160560, 165912, 173940, 179738, 207390, 208728, 231920, 248868, 260910, 269607, 276520, 290160, 311085, 331824, 347880, 359476, 414780, 417456, 449345, 497736, 521820, 539214, 553040, 622170, 695760, 718952, 808821, 829560, 898690, 995472, 1043640, 1078428, 1244340, 1348035, 1437904, 1617642, 1659120, 1797380, 2087280, 2156856, 2488680, 2696070, 3235284, 3594760, 4044105, 4313712, 4977360, 5392140, 6470568, 7189520, 8088210, 10784280, 12941136, 16176420, 21568560, 32352840, 64705680]

約数ペア:

[(1, 64705680), (2, 32352840), (3, 21568560), (4, 16176420), (5, 12941136), (6, 10784280), (8, 8088210), (9, 7189520), (10, 6470568), (12, 5392140), (13, 4977360), (15, 4313712), (16, 4044105), (18, 3594760), (20, 3235284), (24, 2696070), (26, 2488680), (30, 2156856), (31, 2087280), (36, 1797380), (39, 1659120), (40, 1617642), (45, 1437904), (48, 1348035), (52, 1244340), (60, 1078428), (62, 1043640), (65, 995472), (72, 898690), (78, 829560), (80, 808821), (90, 718952), (93, 695760), (104, 622170), (117, 553040), (120, 539214), (124, 521820), (130, 497736), (144, 449345), (155, 417456), (156, 414780), (180, 359476), (186, 347880), (195, 331824), (208, 311085), (223, 290160), (234, 276520), (240, 269607), (248, 260910), (260, 248868), (279, 231920), (310, 208728), (312, 207390), (360, 179738), (372, 173940), (390, 165912), (403, 160560), (446, 145080), (465, 139152), (468, 138260), (496, 130455), (520, 124434), (558, 115960), (585, 110608), (620, 104364), (624, 103695), (669, 96720), (720, 89869), (744, 86970), (780, 82956), (806, 80280), (892, 72540), (930, 69576), (936, 69130), (1040, 62217), (1115, 58032), (1116, 57980), (1170, 55304), (1209, 53520), (1240, 52182), (1338, 48360), (1395, 46384), (1488, 43485), (1560, 41478), (1612, 40140), (1784, 36270), (1860, 34788), (1872, 34565), (2007, 32240), (2015, 32112), (2230, 29016), (2232, 28990), (2340, 27652), (2418, 26760), (2480, 26091), (2676, 24180), (2790, 23192), (2899, 22320), (3120, 20739), (3224, 20070), (3345, 19344), (3568, 18135), (3627, 17840), (3720, 17394), (4014, 16120), (4030, 16056), (4460, 14508), (4464, 14495), (4680, 13826), (4836, 13380), (5352, 12090), (5580, 11596), (5798, 11160), (6045, 10704), (6448, 10035), (6690, 9672), (6913, 9360), (7254, 8920), (7440, 8697), (8028, 8060)]