1640105220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67829}}^1$

素因数の和:67885

約数の個数: 96

約数和(自身を含む): 5105157120

約数和(自身を除く): 3465051900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 930, 1209, 1612, 1860, 2015, 2418, 4030, 4836, 6045, 8060, 12090, 24180, 67829, 135658, 203487, 271316, 339145, 406974, 678290, 813948, 881777, 1017435, 1356580, 1763554, 2034870, 2102699, 2645331, 3527108, 4069740, 4205398, 4408885, 5290662, 6308097, 8410796, 8817770, 10513495, 10581324, 12616194, 13226655, 17635540, 21026990, 25232388, 26453310, 27335087, 31540485, 42053980, 52906620, 54670174, 63080970, 82005261, 109340348, 126161940, 136675435, 164010522, 273350870, 328021044, 410026305, 546701740, 820052610, 1640105220]

約数ペア:

[(1, 1640105220), (2, 820052610), (3, 546701740), (4, 410026305), (5, 328021044), (6, 273350870), (10, 164010522), (12, 136675435), (13, 126161940), (15, 109340348), (20, 82005261), (26, 63080970), (30, 54670174), (31, 52906620), (39, 42053980), (52, 31540485), (60, 27335087), (62, 26453310), (65, 25232388), (78, 21026990), (93, 17635540), (124, 13226655), (130, 12616194), (155, 10581324), (156, 10513495), (186, 8817770), (195, 8410796), (260, 6308097), (310, 5290662), (372, 4408885), (390, 4205398), (403, 4069740), (465, 3527108), (620, 2645331), (780, 2102699), (806, 2034870), (930, 1763554), (1209, 1356580), (1612, 1017435), (1860, 881777), (2015, 813948), (2418, 678290), (4030, 406974), (4836, 339145), (6045, 271316), (8060, 203487), (12090, 135658), (24180, 67829)]