256280364

素因数分解:

$2^2\times 3^2\times {\mathrm{109}}^1\times {\mathrm{241}}^1\times {\mathrm{271}}^1$

素因数の和:631

約数の個数: 72

約数和(自身を含む): 658898240

約数和(自身を除く): 402617876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 109, 218, 241, 271, 327, 436, 482, 542, 654, 723, 813, 964, 981, 1084, 1308, 1446, 1626, 1962, 2169, 2439, 2892, 3252, 3924, 4338, 4878, 8676, 9756, 26269, 29539, 52538, 59078, 65311, 78807, 88617, 105076, 118156, 130622, 157614, 177234, 195933, 236421, 261244, 265851, 315228, 354468, 391866, 472842, 531702, 587799, 783732, 945684, 1063404, 1175598, 2351196, 7118899, 14237798, 21356697, 28475596, 42713394, 64070091, 85426788, 128140182, 256280364]

約数ペア:

[(1, 256280364), (2, 128140182), (3, 85426788), (4, 64070091), (6, 42713394), (9, 28475596), (12, 21356697), (18, 14237798), (36, 7118899), (109, 2351196), (218, 1175598), (241, 1063404), (271, 945684), (327, 783732), (436, 587799), (482, 531702), (542, 472842), (654, 391866), (723, 354468), (813, 315228), (964, 265851), (981, 261244), (1084, 236421), (1308, 195933), (1446, 177234), (1626, 157614), (1962, 130622), (2169, 118156), (2439, 105076), (2892, 88617), (3252, 78807), (3924, 65311), (4338, 59078), (4878, 52538), (8676, 29539), (9756, 26269)]