120716920

素因数分解:

$2^3\times 5^1\times {\mathrm{1613}}^1\times {\mathrm{1871}}^1$

素因数の和:3495

約数の個数: 32

約数和(自身を含む): 271926720

約数和(自身を除く): 151209800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1613, 1871, 3226, 3742, 6452, 7484, 8065, 9355, 12904, 14968, 16130, 18710, 32260, 37420, 64520, 74840, 3017923, 6035846, 12071692, 15089615, 24143384, 30179230, 60358460, 120716920]

約数ペア:

[(1, 120716920), (2, 60358460), (4, 30179230), (5, 24143384), (8, 15089615), (10, 12071692), (20, 6035846), (40, 3017923), (1613, 74840), (1871, 64520), (3226, 37420), (3742, 32260), (6452, 18710), (7484, 16130), (8065, 14968), (9355, 12904)]