2151072640

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{108421}}^1$

素因数の和:108471

約数の個数: 64

約数和(自身を含む): 5308341120

約数和(自身を除く): 3157268480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 19840, 108421, 216842, 433684, 542105, 867368, 1084210, 1734736, 2168420, 3361051, 3469472, 4336840, 6722102, 6938944, 8673680, 13444204, 13877888, 16805255, 17347360, 26888408, 33610510, 34694720, 53776816, 67221020, 69389440, 107553632, 134442040, 215107264, 268884080, 430214528, 537768160, 1075536320, 2151072640]

約数ペア:

[(1, 2151072640), (2, 1075536320), (4, 537768160), (5, 430214528), (8, 268884080), (10, 215107264), (16, 134442040), (20, 107553632), (31, 69389440), (32, 67221020), (40, 53776816), (62, 34694720), (64, 33610510), (80, 26888408), (124, 17347360), (128, 16805255), (155, 13877888), (160, 13444204), (248, 8673680), (310, 6938944), (320, 6722102), (496, 4336840), (620, 3469472), (640, 3361051), (992, 2168420), (1240, 1734736), (1984, 1084210), (2480, 867368), (3968, 542105), (4960, 433684), (9920, 216842), (19840, 108421)]