2905620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{613}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 8252160

約数和(自身を除く): 5346540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 613, 790, 948, 1185, 1226, 1580, 1839, 2370, 2452, 3065, 3678, 4740, 6130, 7356, 9195, 12260, 18390, 36780, 48427, 96854, 145281, 193708, 242135, 290562, 484270, 581124, 726405, 968540, 1452810, 2905620]

約数ペア:

[(1, 2905620), (2, 1452810), (3, 968540), (4, 726405), (5, 581124), (6, 484270), (10, 290562), (12, 242135), (15, 193708), (20, 145281), (30, 96854), (60, 48427), (79, 36780), (158, 18390), (237, 12260), (316, 9195), (395, 7356), (474, 6130), (613, 4740), (790, 3678), (948, 3065), (1185, 2452), (1226, 2370), (1580, 1839)]