85969980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4637}}^1$

素因数の和:4755

約数の個数: 72

約数和(自身を含む): 263364192

約数和(自身を除く): 177394212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 206, 309, 412, 515, 618, 927, 1030, 1236, 1545, 1854, 2060, 3090, 3708, 4635, 4637, 6180, 9270, 9274, 13911, 18540, 18548, 23185, 27822, 41733, 46370, 55644, 69555, 83466, 92740, 139110, 166932, 208665, 278220, 417330, 477611, 834660, 955222, 1432833, 1910444, 2388055, 2865666, 4298499, 4776110, 5731332, 7164165, 8596998, 9552220, 14328330, 17193996, 21492495, 28656660, 42984990, 85969980]

約数ペア:

[(1, 85969980), (2, 42984990), (3, 28656660), (4, 21492495), (5, 17193996), (6, 14328330), (9, 9552220), (10, 8596998), (12, 7164165), (15, 5731332), (18, 4776110), (20, 4298499), (30, 2865666), (36, 2388055), (45, 1910444), (60, 1432833), (90, 955222), (103, 834660), (180, 477611), (206, 417330), (309, 278220), (412, 208665), (515, 166932), (618, 139110), (927, 92740), (1030, 83466), (1236, 69555), (1545, 55644), (1854, 46370), (2060, 41733), (3090, 27822), (3708, 23185), (4635, 18548), (4637, 18540), (6180, 13911), (9270, 9274)]