307920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1283}}^1$

素因数の和:1299

約数の個数: 40

約数和(自身を含む): 955296

約数和(自身を除く): 647376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1283, 2566, 3849, 5132, 6415, 7698, 10264, 12830, 15396, 19245, 20528, 25660, 30792, 38490, 51320, 61584, 76980, 102640, 153960, 307920]

約数ペア:

[(1, 307920), (2, 153960), (3, 102640), (4, 76980), (5, 61584), (6, 51320), (8, 38490), (10, 30792), (12, 25660), (15, 20528), (16, 19245), (20, 15396), (24, 12830), (30, 10264), (40, 7698), (48, 6415), (60, 5132), (80, 3849), (120, 2566), (240, 1283)]