90172920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1543}}^1$

素因数の和:2044

約数の個数: 64

約数和(自身を含む): 271249920

約数和(自身を除く): 181077000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 487, 974, 1461, 1543, 1948, 2435, 2922, 3086, 3896, 4629, 4870, 5844, 6172, 7305, 7715, 9258, 9740, 11688, 12344, 14610, 15430, 18516, 19480, 23145, 29220, 30860, 37032, 46290, 58440, 61720, 92580, 185160, 751441, 1502882, 2254323, 3005764, 3757205, 4508646, 6011528, 7514410, 9017292, 11271615, 15028820, 18034584, 22543230, 30057640, 45086460, 90172920]

約数ペア:

[(1, 90172920), (2, 45086460), (3, 30057640), (4, 22543230), (5, 18034584), (6, 15028820), (8, 11271615), (10, 9017292), (12, 7514410), (15, 6011528), (20, 4508646), (24, 3757205), (30, 3005764), (40, 2254323), (60, 1502882), (120, 751441), (487, 185160), (974, 92580), (1461, 61720), (1543, 58440), (1948, 46290), (2435, 37032), (2922, 30860), (3086, 29220), (3896, 23145), (4629, 19480), (4870, 18516), (5844, 15430), (6172, 14610), (7305, 12344), (7715, 11688), (9258, 9740)]