78787920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{328283}}^1$

素因数の和:328299

約数の個数: 40

約数和(自身を含む): 244243296

約数和(自身を除く): 165455376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 328283, 656566, 984849, 1313132, 1641415, 1969698, 2626264, 3282830, 3939396, 4924245, 5252528, 6565660, 7878792, 9848490, 13131320, 15757584, 19696980, 26262640, 39393960, 78787920]

約数ペア:

[(1, 78787920), (2, 39393960), (3, 26262640), (4, 19696980), (5, 15757584), (6, 13131320), (8, 9848490), (10, 7878792), (12, 6565660), (15, 5252528), (16, 4924245), (20, 3939396), (24, 3282830), (30, 2626264), (40, 1969698), (48, 1641415), (60, 1313132), (80, 984849), (120, 656566), (240, 328283)]