15921420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{599}}^1$

素因数の和:1054

約数の個数: 48

約数和(自身を含む): 44755200

約数和(自身を除く): 28833780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 443, 599, 886, 1198, 1329, 1772, 1797, 2215, 2396, 2658, 2995, 3594, 4430, 5316, 5990, 6645, 7188, 8860, 8985, 11980, 13290, 17970, 26580, 35940, 265357, 530714, 796071, 1061428, 1326785, 1592142, 2653570, 3184284, 3980355, 5307140, 7960710, 15921420]

約数ペア:

[(1, 15921420), (2, 7960710), (3, 5307140), (4, 3980355), (5, 3184284), (6, 2653570), (10, 1592142), (12, 1326785), (15, 1061428), (20, 796071), (30, 530714), (60, 265357), (443, 35940), (599, 26580), (886, 17970), (1198, 13290), (1329, 11980), (1772, 8985), (1797, 8860), (2215, 7188), (2396, 6645), (2658, 5990), (2995, 5316), (3594, 4430)]