180278704

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{1669}}^1$

素因数の和:1877

約数の個数: 40

約数和(自身を含む): 359905040

約数和(自身を除く): 179626336

約数列:

[1, 2, 4, 8, 16, 43, 86, 157, 172, 314, 344, 628, 688, 1256, 1669, 2512, 3338, 6676, 6751, 13352, 13502, 26704, 27004, 54008, 71767, 108016, 143534, 262033, 287068, 524066, 574136, 1048132, 1148272, 2096264, 4192528, 11267419, 22534838, 45069676, 90139352, 180278704]

約数ペア:

[(1, 180278704), (2, 90139352), (4, 45069676), (8, 22534838), (16, 11267419), (43, 4192528), (86, 2096264), (157, 1148272), (172, 1048132), (314, 574136), (344, 524066), (628, 287068), (688, 262033), (1256, 143534), (1669, 108016), (2512, 71767), (3338, 54008), (6676, 27004), (6751, 26704), (13352, 13502)]