12780811980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71004511}}^1$

素因数の和:71004526

約数の個数: 36

約数和(自身を含む): 38768463552

約数和(自身を除く): 25987651572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 71004511, 142009022, 213013533, 284018044, 355022555, 426027066, 639040599, 710045110, 852054132, 1065067665, 1278081198, 1420090220, 2130135330, 2556162396, 3195202995, 4260270660, 6390405990, 12780811980]

約数ペア:

[(1, 12780811980), (2, 6390405990), (3, 4260270660), (4, 3195202995), (5, 2556162396), (6, 2130135330), (9, 1420090220), (10, 1278081198), (12, 1065067665), (15, 852054132), (18, 710045110), (20, 639040599), (30, 426027066), (36, 355022555), (45, 284018044), (60, 213013533), (90, 142009022), (180, 71004511)]