131251960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{3691}}^1$

素因数の和:3836

約数の個数: 64

約数和(自身を含む): 340254720

約数和(自身を除く): 209002760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 140, 254, 280, 508, 635, 889, 1016, 1270, 1778, 2540, 3556, 3691, 4445, 5080, 7112, 7382, 8890, 14764, 17780, 18455, 25837, 29528, 35560, 36910, 51674, 73820, 103348, 129185, 147640, 206696, 258370, 468757, 516740, 937514, 1033480, 1875028, 2343785, 3281299, 3750056, 4687570, 6562598, 9375140, 13125196, 16406495, 18750280, 26250392, 32812990, 65625980, 131251960]

約数ペア:

[(1, 131251960), (2, 65625980), (4, 32812990), (5, 26250392), (7, 18750280), (8, 16406495), (10, 13125196), (14, 9375140), (20, 6562598), (28, 4687570), (35, 3750056), (40, 3281299), (56, 2343785), (70, 1875028), (127, 1033480), (140, 937514), (254, 516740), (280, 468757), (508, 258370), (635, 206696), (889, 147640), (1016, 129185), (1270, 103348), (1778, 73820), (2540, 51674), (3556, 36910), (3691, 35560), (4445, 29528), (5080, 25837), (7112, 18455), (7382, 17780), (8890, 14764)]