18787920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{78283}}^1$

素因数の和:78299

約数の個数: 40

約数和(自身を含む): 58243296

約数和(自身を除く): 39455376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 78283, 156566, 234849, 313132, 391415, 469698, 626264, 782830, 939396, 1174245, 1252528, 1565660, 1878792, 2348490, 3131320, 3757584, 4696980, 6262640, 9393960, 18787920]

約数ペア:

[(1, 18787920), (2, 9393960), (3, 6262640), (4, 4696980), (5, 3757584), (6, 3131320), (8, 2348490), (10, 1878792), (12, 1565660), (15, 1252528), (16, 1174245), (20, 939396), (24, 782830), (30, 626264), (40, 469698), (48, 391415), (60, 313132), (80, 234849), (120, 156566), (240, 78283)]