12702580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:241

約数の個数: 72

約数和(自身を含む): 30499560

約数和(自身を除く): 17796980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 121, 145, 181, 220, 242, 290, 319, 362, 484, 580, 605, 638, 724, 905, 1210, 1276, 1595, 1810, 1991, 2420, 3190, 3509, 3620, 3982, 5249, 6380, 7018, 7964, 9955, 10498, 14036, 17545, 19910, 20996, 21901, 26245, 35090, 39820, 43802, 52490, 57739, 70180, 87604, 104980, 109505, 115478, 219010, 230956, 288695, 438020, 577390, 635129, 1154780, 1270258, 2540516, 3175645, 6351290, 12702580]

約数ペア:

[(1, 12702580), (2, 6351290), (4, 3175645), (5, 2540516), (10, 1270258), (11, 1154780), (20, 635129), (22, 577390), (29, 438020), (44, 288695), (55, 230956), (58, 219010), (110, 115478), (116, 109505), (121, 104980), (145, 87604), (181, 70180), (220, 57739), (242, 52490), (290, 43802), (319, 39820), (362, 35090), (484, 26245), (580, 21901), (605, 20996), (638, 19910), (724, 17545), (905, 14036), (1210, 10498), (1276, 9955), (1595, 7964), (1810, 7018), (1991, 6380), (2420, 5249), (3190, 3982), (3509, 3620)]