2550680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:81

約数の個数: 96

約数和(自身を含む): 6894720

約数和(自身を除く): 4344040

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 31, 34, 40, 44, 55, 62, 68, 85, 88, 110, 121, 124, 136, 155, 170, 187, 220, 242, 248, 310, 340, 341, 374, 440, 484, 527, 605, 620, 680, 682, 748, 935, 968, 1054, 1210, 1240, 1364, 1496, 1705, 1870, 2057, 2108, 2420, 2635, 2728, 3410, 3740, 3751, 4114, 4216, 4840, 5270, 5797, 6820, 7480, 7502, 8228, 10285, 10540, 11594, 13640, 15004, 16456, 18755, 20570, 21080, 23188, 28985, 30008, 37510, 41140, 46376, 57970, 63767, 75020, 82280, 115940, 127534, 150040, 231880, 255068, 318835, 510136, 637670, 1275340, 2550680]

約数ペア:

[(1, 2550680), (2, 1275340), (4, 637670), (5, 510136), (8, 318835), (10, 255068), (11, 231880), (17, 150040), (20, 127534), (22, 115940), (31, 82280), (34, 75020), (40, 63767), (44, 57970), (55, 46376), (62, 41140), (68, 37510), (85, 30008), (88, 28985), (110, 23188), (121, 21080), (124, 20570), (136, 18755), (155, 16456), (170, 15004), (187, 13640), (220, 11594), (242, 10540), (248, 10285), (310, 8228), (340, 7502), (341, 7480), (374, 6820), (440, 5797), (484, 5270), (527, 4840), (605, 4216), (620, 4114), (680, 3751), (682, 3740), (748, 3410), (935, 2728), (968, 2635), (1054, 2420), (1210, 2108), (1240, 2057), (1364, 1870), (1496, 1705)]