678269640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{20857}}^1$

素因数の和:21142

約数の個数: 64

約数和(自身を含む): 2042415360

約数和(自身を除く): 1364145720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 271, 542, 813, 1084, 1355, 1626, 2168, 2710, 3252, 4065, 5420, 6504, 8130, 10840, 16260, 20857, 32520, 41714, 62571, 83428, 104285, 125142, 166856, 208570, 250284, 312855, 417140, 500568, 625710, 834280, 1251420, 2502840, 5652247, 11304494, 16956741, 22608988, 28261235, 33913482, 45217976, 56522470, 67826964, 84783705, 113044940, 135653928, 169567410, 226089880, 339134820, 678269640]

約数ペア:

[(1, 678269640), (2, 339134820), (3, 226089880), (4, 169567410), (5, 135653928), (6, 113044940), (8, 84783705), (10, 67826964), (12, 56522470), (15, 45217976), (20, 33913482), (24, 28261235), (30, 22608988), (40, 16956741), (60, 11304494), (120, 5652247), (271, 2502840), (542, 1251420), (813, 834280), (1084, 625710), (1355, 500568), (1626, 417140), (2168, 312855), (2710, 250284), (3252, 208570), (4065, 166856), (5420, 125142), (6504, 104285), (8130, 83428), (10840, 62571), (16260, 41714), (20857, 32520)]