31437080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{557}}^1$

素因数の和:668

約数の個数: 64

約数和(自身を含む): 75932640

約数和(自身を除く): 44495560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 83, 85, 136, 166, 170, 332, 340, 415, 557, 664, 680, 830, 1114, 1411, 1660, 2228, 2785, 2822, 3320, 4456, 5570, 5644, 7055, 9469, 11140, 11288, 14110, 18938, 22280, 28220, 37876, 46231, 47345, 56440, 75752, 92462, 94690, 184924, 189380, 231155, 369848, 378760, 462310, 785927, 924620, 1571854, 1849240, 3143708, 3929635, 6287416, 7859270, 15718540, 31437080]

約数ペア:

[(1, 31437080), (2, 15718540), (4, 7859270), (5, 6287416), (8, 3929635), (10, 3143708), (17, 1849240), (20, 1571854), (34, 924620), (40, 785927), (68, 462310), (83, 378760), (85, 369848), (136, 231155), (166, 189380), (170, 184924), (332, 94690), (340, 92462), (415, 75752), (557, 56440), (664, 47345), (680, 46231), (830, 37876), (1114, 28220), (1411, 22280), (1660, 18938), (2228, 14110), (2785, 11288), (2822, 11140), (3320, 9469), (4456, 7055), (5570, 5644)]