15807720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131731}}^1$

素因数の和:131745

約数の個数: 32

約数和(自身を含む): 47423520

約数和(自身を除く): 31615800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131731, 263462, 395193, 526924, 658655, 790386, 1053848, 1317310, 1580772, 1975965, 2634620, 3161544, 3951930, 5269240, 7903860, 15807720]

約数ペア:

[(1, 15807720), (2, 7903860), (3, 5269240), (4, 3951930), (5, 3161544), (6, 2634620), (8, 1975965), (10, 1580772), (12, 1317310), (15, 1053848), (20, 790386), (24, 658655), (30, 526924), (40, 395193), (60, 263462), (120, 131731)]