30311920

素因数分解:

$2^4\times 5^1\times {\mathrm{563}}^1\times {\mathrm{673}}^1$

素因数の和:1249

約数の個数: 40

約数和(自身を含む): 70705296

約数和(自身を除く): 40393376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 563, 673, 1126, 1346, 2252, 2692, 2815, 3365, 4504, 5384, 5630, 6730, 9008, 10768, 11260, 13460, 22520, 26920, 45040, 53840, 378899, 757798, 1515596, 1894495, 3031192, 3788990, 6062384, 7577980, 15155960, 30311920]

約数ペア:

[(1, 30311920), (2, 15155960), (4, 7577980), (5, 6062384), (8, 3788990), (10, 3031192), (16, 1894495), (20, 1515596), (40, 757798), (80, 378899), (563, 53840), (673, 45040), (1126, 26920), (1346, 22520), (2252, 13460), (2692, 11260), (2815, 10768), (3365, 9008), (4504, 6730), (5384, 5630)]