25878780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1319}}^1$

素因数の和:1443

約数の個数: 72

約数和(自身を含む): 79279200

約数和(自身を除く): 53400420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 981, 1090, 1308, 1319, 1635, 1962, 2180, 2638, 3270, 3924, 3957, 4905, 5276, 6540, 6595, 7914, 9810, 11871, 13190, 15828, 19620, 19785, 23742, 26380, 39570, 47484, 59355, 79140, 118710, 143771, 237420, 287542, 431313, 575084, 718855, 862626, 1293939, 1437710, 1725252, 2156565, 2587878, 2875420, 4313130, 5175756, 6469695, 8626260, 12939390, 25878780]

約数ペア:

[(1, 25878780), (2, 12939390), (3, 8626260), (4, 6469695), (5, 5175756), (6, 4313130), (9, 2875420), (10, 2587878), (12, 2156565), (15, 1725252), (18, 1437710), (20, 1293939), (30, 862626), (36, 718855), (45, 575084), (60, 431313), (90, 287542), (109, 237420), (180, 143771), (218, 118710), (327, 79140), (436, 59355), (545, 47484), (654, 39570), (981, 26380), (1090, 23742), (1308, 19785), (1319, 19620), (1635, 15828), (1962, 13190), (2180, 11871), (2638, 9810), (3270, 7914), (3924, 6595), (3957, 6540), (4905, 5276)]