31590680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:201

約数の個数: 96

約数和(自身を含む): 80151120

約数和(自身を除く): 48560440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 107, 110, 121, 122, 214, 220, 242, 244, 305, 428, 440, 484, 488, 535, 605, 610, 671, 856, 968, 1070, 1177, 1210, 1220, 1342, 2140, 2354, 2420, 2440, 2684, 3355, 4280, 4708, 4840, 5368, 5885, 6527, 6710, 7381, 9416, 11770, 12947, 13054, 13420, 14762, 23540, 25894, 26108, 26840, 29524, 32635, 36905, 47080, 51788, 52216, 59048, 64735, 65270, 71797, 73810, 103576, 129470, 130540, 143594, 147620, 258940, 261080, 287188, 295240, 358985, 517880, 574376, 717970, 789767, 1435940, 1579534, 2871880, 3159068, 3948835, 6318136, 7897670, 15795340, 31590680]

約数ペア:

[(1, 31590680), (2, 15795340), (4, 7897670), (5, 6318136), (8, 3948835), (10, 3159068), (11, 2871880), (20, 1579534), (22, 1435940), (40, 789767), (44, 717970), (55, 574376), (61, 517880), (88, 358985), (107, 295240), (110, 287188), (121, 261080), (122, 258940), (214, 147620), (220, 143594), (242, 130540), (244, 129470), (305, 103576), (428, 73810), (440, 71797), (484, 65270), (488, 64735), (535, 59048), (605, 52216), (610, 51788), (671, 47080), (856, 36905), (968, 32635), (1070, 29524), (1177, 26840), (1210, 26108), (1220, 25894), (1342, 23540), (2140, 14762), (2354, 13420), (2420, 13054), (2440, 12947), (2684, 11770), (3355, 9416), (4280, 7381), (4708, 6710), (4840, 6527), (5368, 5885)]