2782530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{719}}^1$

素因数の和:775

約数の個数: 48

約数和(自身を含む): 7413120

約数和(自身を除く): 4630590

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 719, 774, 1290, 1438, 1935, 2157, 3595, 3870, 4314, 6471, 7190, 10785, 12942, 21570, 30917, 32355, 61834, 64710, 92751, 154585, 185502, 278253, 309170, 463755, 556506, 927510, 1391265, 2782530]

約数ペア:

[(1, 2782530), (2, 1391265), (3, 927510), (5, 556506), (6, 463755), (9, 309170), (10, 278253), (15, 185502), (18, 154585), (30, 92751), (43, 64710), (45, 61834), (86, 32355), (90, 30917), (129, 21570), (215, 12942), (258, 10785), (387, 7190), (430, 6471), (645, 4314), (719, 3870), (774, 3595), (1290, 2157), (1438, 1935)]