123139280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{12721}}^1$

素因数の和:12756

約数の個数: 60

約数和(自身を含む): 314716836

約数和(自身を除く): 191577556

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 9680, 12721, 25442, 50884, 63605, 101768, 127210, 139931, 203536, 254420, 279862, 508840, 559724, 699655, 1017680, 1119448, 1399310, 1539241, 2238896, 2798620, 3078482, 5597240, 6156964, 7696205, 11194480, 12313928, 15392410, 24627856, 30784820, 61569640, 123139280]

約数ペア:

[(1, 123139280), (2, 61569640), (4, 30784820), (5, 24627856), (8, 15392410), (10, 12313928), (11, 11194480), (16, 7696205), (20, 6156964), (22, 5597240), (40, 3078482), (44, 2798620), (55, 2238896), (80, 1539241), (88, 1399310), (110, 1119448), (121, 1017680), (176, 699655), (220, 559724), (242, 508840), (440, 279862), (484, 254420), (605, 203536), (880, 139931), (968, 127210), (1210, 101768), (1936, 63605), (2420, 50884), (4840, 25442), (9680, 12721)]