2000280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 6105600

約数和(自身を除く): 4105320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 211, 237, 316, 395, 422, 474, 632, 633, 790, 844, 948, 1055, 1185, 1266, 1580, 1688, 1896, 2110, 2370, 2532, 3160, 3165, 4220, 4740, 5064, 6330, 8440, 9480, 12660, 16669, 25320, 33338, 50007, 66676, 83345, 100014, 133352, 166690, 200028, 250035, 333380, 400056, 500070, 666760, 1000140, 2000280]

約数ペア:

[(1, 2000280), (2, 1000140), (3, 666760), (4, 500070), (5, 400056), (6, 333380), (8, 250035), (10, 200028), (12, 166690), (15, 133352), (20, 100014), (24, 83345), (30, 66676), (40, 50007), (60, 33338), (79, 25320), (120, 16669), (158, 12660), (211, 9480), (237, 8440), (316, 6330), (395, 5064), (422, 4740), (474, 4220), (632, 3165), (633, 3160), (790, 2532), (844, 2370), (948, 2110), (1055, 1896), (1185, 1688), (1266, 1580)]