1257413640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{14821}}^1$

素因数の和:14943

約数の個数: 128

約数和(自身を含む): 4354110720

約数和(自身を除く): 3096697080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 101, 105, 120, 140, 168, 202, 210, 280, 303, 404, 420, 505, 606, 707, 808, 840, 1010, 1212, 1414, 1515, 2020, 2121, 2424, 2828, 3030, 3535, 4040, 4242, 5656, 6060, 7070, 8484, 10605, 12120, 14140, 14821, 16968, 21210, 28280, 29642, 42420, 44463, 59284, 74105, 84840, 88926, 103747, 118568, 148210, 177852, 207494, 222315, 296420, 311241, 355704, 414988, 444630, 518735, 592840, 622482, 829976, 889260, 1037470, 1244964, 1496921, 1556205, 1778520, 2074940, 2489928, 2993842, 3112410, 4149880, 4490763, 5987684, 6224820, 7484605, 8981526, 10478447, 11975368, 12449640, 14969210, 17963052, 20956894, 22453815, 29938420, 31435341, 35926104, 41913788, 44907630, 52392235, 59876840, 62870682, 83827576, 89815260, 104784470, 125741364, 157176705, 179630520, 209568940, 251482728, 314353410, 419137880, 628706820, 1257413640]

約数ペア:

[(1, 1257413640), (2, 628706820), (3, 419137880), (4, 314353410), (5, 251482728), (6, 209568940), (7, 179630520), (8, 157176705), (10, 125741364), (12, 104784470), (14, 89815260), (15, 83827576), (20, 62870682), (21, 59876840), (24, 52392235), (28, 44907630), (30, 41913788), (35, 35926104), (40, 31435341), (42, 29938420), (56, 22453815), (60, 20956894), (70, 17963052), (84, 14969210), (101, 12449640), (105, 11975368), (120, 10478447), (140, 8981526), (168, 7484605), (202, 6224820), (210, 5987684), (280, 4490763), (303, 4149880), (404, 3112410), (420, 2993842), (505, 2489928), (606, 2074940), (707, 1778520), (808, 1556205), (840, 1496921), (1010, 1244964), (1212, 1037470), (1414, 889260), (1515, 829976), (2020, 622482), (2121, 592840), (2424, 518735), (2828, 444630), (3030, 414988), (3535, 355704), (4040, 311241), (4242, 296420), (5656, 222315), (6060, 207494), (7070, 177852), (8484, 148210), (10605, 118568), (12120, 103747), (14140, 88926), (14821, 84840), (16968, 74105), (21210, 59284), (28280, 44463), (29642, 42420)]