65439960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1231}}^1$

素因数の和:1688

約数の個数: 64

約数和(自身を含む): 196922880

約数和(自身を除く): 131482920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 443, 886, 1231, 1329, 1772, 2215, 2462, 2658, 3544, 3693, 4430, 4924, 5316, 6155, 6645, 7386, 8860, 9848, 10632, 12310, 13290, 14772, 17720, 18465, 24620, 26580, 29544, 36930, 49240, 53160, 73860, 147720, 545333, 1090666, 1635999, 2181332, 2726665, 3271998, 4362664, 5453330, 6543996, 8179995, 10906660, 13087992, 16359990, 21813320, 32719980, 65439960]

約数ペア:

[(1, 65439960), (2, 32719980), (3, 21813320), (4, 16359990), (5, 13087992), (6, 10906660), (8, 8179995), (10, 6543996), (12, 5453330), (15, 4362664), (20, 3271998), (24, 2726665), (30, 2181332), (40, 1635999), (60, 1090666), (120, 545333), (443, 147720), (886, 73860), (1231, 53160), (1329, 49240), (1772, 36930), (2215, 29544), (2462, 26580), (2658, 24620), (3544, 18465), (3693, 17720), (4430, 14772), (4924, 13290), (5316, 12310), (6155, 10632), (6645, 9848), (7386, 8860)]