2665140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1033}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 7643328

約数和(自身を除く): 4978188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1033, 1290, 2066, 2580, 3099, 4132, 5165, 6198, 10330, 12396, 15495, 20660, 30990, 44419, 61980, 88838, 133257, 177676, 222095, 266514, 444190, 533028, 666285, 888380, 1332570, 2665140]

約数ペア:

[(1, 2665140), (2, 1332570), (3, 888380), (4, 666285), (5, 533028), (6, 444190), (10, 266514), (12, 222095), (15, 177676), (20, 133257), (30, 88838), (43, 61980), (60, 44419), (86, 30990), (129, 20660), (172, 15495), (215, 12396), (258, 10330), (430, 6198), (516, 5165), (645, 4132), (860, 3099), (1033, 2580), (1290, 2066)]