225971220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{5821}}^1$

素因数の和:6480

約数の個数: 48

約数和(自身を含む): 633806208

約数和(自身を除く): 407834988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 647, 1294, 1941, 2588, 3235, 3882, 5821, 6470, 7764, 9705, 11642, 12940, 17463, 19410, 23284, 29105, 34926, 38820, 58210, 69852, 87315, 116420, 174630, 349260, 3766187, 7532374, 11298561, 15064748, 18830935, 22597122, 37661870, 45194244, 56492805, 75323740, 112985610, 225971220]

約数ペア:

[(1, 225971220), (2, 112985610), (3, 75323740), (4, 56492805), (5, 45194244), (6, 37661870), (10, 22597122), (12, 18830935), (15, 15064748), (20, 11298561), (30, 7532374), (60, 3766187), (647, 349260), (1294, 174630), (1941, 116420), (2588, 87315), (3235, 69852), (3882, 58210), (5821, 38820), (6470, 34926), (7764, 29105), (9705, 23284), (11642, 19410), (12940, 17463)]