72670510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 149465088

約数和(自身を除く): 76794578

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 101, 110, 155, 202, 211, 310, 341, 422, 505, 682, 1010, 1055, 1111, 1705, 2110, 2222, 2321, 3131, 3410, 4642, 5555, 6262, 6541, 11110, 11605, 13082, 15655, 21311, 23210, 31310, 32705, 34441, 42622, 65410, 68882, 71951, 106555, 143902, 172205, 213110, 234421, 344410, 359755, 468842, 660641, 719510, 1172105, 1321282, 2344210, 3303205, 6606410, 7267051, 14534102, 36335255, 72670510]

約数ペア:

[(1, 72670510), (2, 36335255), (5, 14534102), (10, 7267051), (11, 6606410), (22, 3303205), (31, 2344210), (55, 1321282), (62, 1172105), (101, 719510), (110, 660641), (155, 468842), (202, 359755), (211, 344410), (310, 234421), (341, 213110), (422, 172205), (505, 143902), (682, 106555), (1010, 71951), (1055, 68882), (1111, 65410), (1705, 42622), (2110, 34441), (2222, 32705), (2321, 31310), (3131, 23210), (3410, 21311), (4642, 15655), (5555, 13082), (6262, 11605), (6541, 11110)]