156918818440

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1093}}^1\times {\mathrm{22861}}^1$

素因数の和:24122

約数の個数: 64

約数和(自身を含む): 355656818160

約数和(自身を除く): 198737999720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1093, 1256, 1570, 2186, 3140, 4372, 5465, 6280, 8744, 10930, 21860, 22861, 43720, 45722, 91444, 114305, 171601, 182888, 228610, 343202, 457220, 686404, 858005, 914440, 1372808, 1716010, 3432020, 3589177, 6864040, 7178354, 14356708, 17945885, 24987073, 28713416, 35891770, 49974146, 71783540, 99948292, 124935365, 143567080, 199896584, 249870730, 499741460, 999482920, 3922970461, 7845940922, 15691881844, 19614852305, 31383763688, 39229704610, 78459409220, 156918818440]

約数ペア:

[(1, 156918818440), (2, 78459409220), (4, 39229704610), (5, 31383763688), (8, 19614852305), (10, 15691881844), (20, 7845940922), (40, 3922970461), (157, 999482920), (314, 499741460), (628, 249870730), (785, 199896584), (1093, 143567080), (1256, 124935365), (1570, 99948292), (2186, 71783540), (3140, 49974146), (4372, 35891770), (5465, 28713416), (6280, 24987073), (8744, 17945885), (10930, 14356708), (21860, 7178354), (22861, 6864040), (43720, 3589177), (45722, 3432020), (91444, 1716010), (114305, 1372808), (171601, 914440), (182888, 858005), (228610, 686404), (343202, 457220)]