67717240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 157671360

約数和(自身を除く): 89954120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 157, 164, 205, 263, 314, 328, 410, 526, 628, 785, 820, 1052, 1256, 1315, 1570, 1640, 2104, 2630, 3140, 5260, 6280, 6437, 10520, 10783, 12874, 21566, 25748, 32185, 41291, 43132, 51496, 53915, 64370, 82582, 86264, 107830, 128740, 165164, 206455, 215660, 257480, 330328, 412910, 431320, 825820, 1651640, 1692931, 3385862, 6771724, 8464655, 13543448, 16929310, 33858620, 67717240]

約数ペア:

[(1, 67717240), (2, 33858620), (4, 16929310), (5, 13543448), (8, 8464655), (10, 6771724), (20, 3385862), (40, 1692931), (41, 1651640), (82, 825820), (157, 431320), (164, 412910), (205, 330328), (263, 257480), (314, 215660), (328, 206455), (410, 165164), (526, 128740), (628, 107830), (785, 86264), (820, 82582), (1052, 64370), (1256, 53915), (1315, 51496), (1570, 43132), (1640, 41291), (2104, 32185), (2630, 25748), (3140, 21566), (5260, 12874), (6280, 10783), (6437, 10520)]