1234980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{2287}}^1$

素因数の和:2305

約数の個数: 48

約数和(自身を含む): 3843840

約数和(自身を除く): 2608860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 2287, 4574, 6861, 9148, 11435, 13722, 20583, 22870, 27444, 34305, 41166, 45740, 61749, 68610, 82332, 102915, 123498, 137220, 205830, 246996, 308745, 411660, 617490, 1234980]

約数ペア:

[(1, 1234980), (2, 617490), (3, 411660), (4, 308745), (5, 246996), (6, 205830), (9, 137220), (10, 123498), (12, 102915), (15, 82332), (18, 68610), (20, 61749), (27, 45740), (30, 41166), (36, 34305), (45, 27444), (54, 22870), (60, 20583), (90, 13722), (108, 11435), (135, 9148), (180, 6861), (270, 4574), (540, 2287)]