256670520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{40357}}^1$

素因数の和:40424

約数の個数: 64

約数和(自身を含む): 784559520

約数和(自身を除く): 527889000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 159, 212, 265, 318, 424, 530, 636, 795, 1060, 1272, 1590, 2120, 3180, 6360, 40357, 80714, 121071, 161428, 201785, 242142, 322856, 403570, 484284, 605355, 807140, 968568, 1210710, 1614280, 2138921, 2421420, 4277842, 4842840, 6416763, 8555684, 10694605, 12833526, 17111368, 21389210, 25667052, 32083815, 42778420, 51334104, 64167630, 85556840, 128335260, 256670520]

約数ペア:

[(1, 256670520), (2, 128335260), (3, 85556840), (4, 64167630), (5, 51334104), (6, 42778420), (8, 32083815), (10, 25667052), (12, 21389210), (15, 17111368), (20, 12833526), (24, 10694605), (30, 8555684), (40, 6416763), (53, 4842840), (60, 4277842), (106, 2421420), (120, 2138921), (159, 1614280), (212, 1210710), (265, 968568), (318, 807140), (424, 605355), (530, 484284), (636, 403570), (795, 322856), (1060, 242142), (1272, 201785), (1590, 161428), (2120, 121071), (3180, 80714), (6360, 40357)]