157721480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{3373}}^1$

素因数の和:3558

約数の個数: 64

約数和(自身を含む): 408119040

約数和(自身を除く): 250397560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 167, 280, 334, 668, 835, 1169, 1336, 1670, 2338, 3340, 3373, 4676, 5845, 6680, 6746, 9352, 11690, 13492, 16865, 23380, 23611, 26984, 33730, 46760, 47222, 67460, 94444, 118055, 134920, 188888, 236110, 472220, 563291, 944440, 1126582, 2253164, 2816455, 3943037, 4506328, 5632910, 7886074, 11265820, 15772148, 19715185, 22531640, 31544296, 39430370, 78860740, 157721480]

約数ペア:

[(1, 157721480), (2, 78860740), (4, 39430370), (5, 31544296), (7, 22531640), (8, 19715185), (10, 15772148), (14, 11265820), (20, 7886074), (28, 5632910), (35, 4506328), (40, 3943037), (56, 2816455), (70, 2253164), (140, 1126582), (167, 944440), (280, 563291), (334, 472220), (668, 236110), (835, 188888), (1169, 134920), (1336, 118055), (1670, 94444), (2338, 67460), (3340, 47222), (3373, 46760), (4676, 33730), (5845, 26984), (6680, 23611), (6746, 23380), (9352, 16865), (11690, 13492)]