1275340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:79

約数の個数: 72

約数和(自身を含む): 3217536

約数和(自身を除く): 1942196

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 31, 34, 44, 55, 62, 68, 85, 110, 121, 124, 155, 170, 187, 220, 242, 310, 340, 341, 374, 484, 527, 605, 620, 682, 748, 935, 1054, 1210, 1364, 1705, 1870, 2057, 2108, 2420, 2635, 3410, 3740, 3751, 4114, 5270, 5797, 6820, 7502, 8228, 10285, 10540, 11594, 15004, 18755, 20570, 23188, 28985, 37510, 41140, 57970, 63767, 75020, 115940, 127534, 255068, 318835, 637670, 1275340]

約数ペア:

[(1, 1275340), (2, 637670), (4, 318835), (5, 255068), (10, 127534), (11, 115940), (17, 75020), (20, 63767), (22, 57970), (31, 41140), (34, 37510), (44, 28985), (55, 23188), (62, 20570), (68, 18755), (85, 15004), (110, 11594), (121, 10540), (124, 10285), (155, 8228), (170, 7502), (187, 6820), (220, 5797), (242, 5270), (310, 4114), (340, 3751), (341, 3740), (374, 3410), (484, 2635), (527, 2420), (605, 2108), (620, 2057), (682, 1870), (748, 1705), (935, 1364), (1054, 1210)]