28528020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{158489}}^1$

素因数の和:158504

約数の個数: 36

約数和(自身を含む): 86535540

約数和(自身を除く): 58007520

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 158489, 316978, 475467, 633956, 792445, 950934, 1426401, 1584890, 1901868, 2377335, 2852802, 3169780, 4754670, 5705604, 7132005, 9509340, 14264010, 28528020]

約数ペア:

[(1, 28528020), (2, 14264010), (3, 9509340), (4, 7132005), (5, 5705604), (6, 4754670), (9, 3169780), (10, 2852802), (12, 2377335), (15, 1901868), (18, 1584890), (20, 1426401), (30, 950934), (36, 792445), (45, 633956), (60, 475467), (90, 316978), (180, 158489)]