81069720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{675581}}^1$

素因数の和:675595

約数の個数: 32

約数和(自身を含む): 243209520

約数和(自身を除く): 162139800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 675581, 1351162, 2026743, 2702324, 3377905, 4053486, 5404648, 6755810, 8106972, 10133715, 13511620, 16213944, 20267430, 27023240, 40534860, 81069720]

約数ペア:

[(1, 81069720), (2, 40534860), (3, 27023240), (4, 20267430), (5, 16213944), (6, 13511620), (8, 10133715), (10, 8106972), (12, 6755810), (15, 5404648), (20, 4053486), (24, 3377905), (30, 2702324), (40, 2026743), (60, 1351162), (120, 675581)]