318763920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1328183}}^1$

素因数の和:1328199

約数の個数: 40

約数和(自身を含む): 988168896

約数和(自身を除く): 669404976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1328183, 2656366, 3984549, 5312732, 6640915, 7969098, 10625464, 13281830, 15938196, 19922745, 21250928, 26563660, 31876392, 39845490, 53127320, 63752784, 79690980, 106254640, 159381960, 318763920]

約数ペア:

[(1, 318763920), (2, 159381960), (3, 106254640), (4, 79690980), (5, 63752784), (6, 53127320), (8, 39845490), (10, 31876392), (12, 26563660), (15, 21250928), (16, 19922745), (20, 15938196), (24, 13281830), (30, 10625464), (40, 7969098), (48, 6640915), (60, 5312732), (80, 3984549), (120, 2656366), (240, 1328183)]