2638815720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{21990131}}^1$

素因数の和:21990145

約数の個数: 32

約数和(自身を含む): 7916447520

約数和(自身を除く): 5277631800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 21990131, 43980262, 65970393, 87960524, 109950655, 131940786, 175921048, 219901310, 263881572, 329851965, 439802620, 527763144, 659703930, 879605240, 1319407860, 2638815720]

約数ペア:

[(1, 2638815720), (2, 1319407860), (3, 879605240), (4, 659703930), (5, 527763144), (6, 439802620), (8, 329851965), (10, 263881572), (12, 219901310), (15, 175921048), (20, 131940786), (24, 109950655), (30, 87960524), (40, 65970393), (60, 43980262), (120, 21990131)]