1961936680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{8461}}^1$

素因数の和:8531

約数の個数: 128

約数和(自身を含む): 5264040960

約数和(自身を除く): 3302104280

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 31, 34, 40, 44, 55, 62, 68, 85, 88, 110, 124, 136, 155, 170, 187, 220, 248, 310, 340, 341, 374, 440, 527, 620, 680, 682, 748, 935, 1054, 1240, 1364, 1496, 1705, 1870, 2108, 2635, 2728, 3410, 3740, 4216, 5270, 5797, 6820, 7480, 8461, 10540, 11594, 13640, 16922, 21080, 23188, 28985, 33844, 42305, 46376, 57970, 67688, 84610, 93071, 115940, 143837, 169220, 186142, 231880, 262291, 287674, 338440, 372284, 465355, 524582, 575348, 719185, 744568, 930710, 1049164, 1150696, 1311455, 1438370, 1582207, 1861420, 2098328, 2622910, 2876740, 2885201, 3164414, 3722840, 4458947, 5245820, 5753480, 5770402, 6328828, 7911035, 8917894, 10491640, 11540804, 12657656, 14426005, 15822070, 17835788, 22294735, 23081608, 28852010, 31644140, 35671576, 44589470, 49048417, 57704020, 63288280, 89178940, 98096834, 115408040, 178357880, 196193668, 245242085, 392387336, 490484170, 980968340, 1961936680]

約数ペア:

[(1, 1961936680), (2, 980968340), (4, 490484170), (5, 392387336), (8, 245242085), (10, 196193668), (11, 178357880), (17, 115408040), (20, 98096834), (22, 89178940), (31, 63288280), (34, 57704020), (40, 49048417), (44, 44589470), (55, 35671576), (62, 31644140), (68, 28852010), (85, 23081608), (88, 22294735), (110, 17835788), (124, 15822070), (136, 14426005), (155, 12657656), (170, 11540804), (187, 10491640), (220, 8917894), (248, 7911035), (310, 6328828), (340, 5770402), (341, 5753480), (374, 5245820), (440, 4458947), (527, 3722840), (620, 3164414), (680, 2885201), (682, 2876740), (748, 2622910), (935, 2098328), (1054, 1861420), (1240, 1582207), (1364, 1438370), (1496, 1311455), (1705, 1150696), (1870, 1049164), (2108, 930710), (2635, 744568), (2728, 719185), (3410, 575348), (3740, 524582), (4216, 465355), (5270, 372284), (5797, 338440), (6820, 287674), (7480, 262291), (8461, 231880), (10540, 186142), (11594, 169220), (13640, 143837), (16922, 115940), (21080, 93071), (23188, 84610), (28985, 67688), (33844, 57970), (42305, 46376)]