204787920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{853283}}^1$

素因数の和:853299

約数の個数: 40

約数和(自身を含む): 634843296

約数和(自身を除く): 430055376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 853283, 1706566, 2559849, 3413132, 4266415, 5119698, 6826264, 8532830, 10239396, 12799245, 13652528, 17065660, 20478792, 25598490, 34131320, 40957584, 51196980, 68262640, 102393960, 204787920]

約数ペア:

[(1, 204787920), (2, 102393960), (3, 68262640), (4, 51196980), (5, 40957584), (6, 34131320), (8, 25598490), (10, 20478792), (12, 17065660), (15, 13652528), (16, 12799245), (20, 10239396), (24, 8532830), (30, 6826264), (40, 5119698), (48, 4266415), (60, 3413132), (80, 2559849), (120, 1706566), (240, 853283)]