15611420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{6451}}^1$

素因数の和:6482

約数の個数: 36

約数和(自身を含む): 36040872

約数和(自身を除く): 20429452

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 6451, 12902, 25804, 32255, 64510, 70961, 129020, 141922, 283844, 354805, 709610, 780571, 1419220, 1561142, 3122284, 3902855, 7805710, 15611420]

約数ペア:

[(1, 15611420), (2, 7805710), (4, 3902855), (5, 3122284), (10, 1561142), (11, 1419220), (20, 780571), (22, 709610), (44, 354805), (55, 283844), (110, 141922), (121, 129020), (220, 70961), (242, 64510), (484, 32255), (605, 25804), (1210, 12902), (2420, 6451)]