80258520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{668821}}^1$

素因数の和:668835

約数の個数: 32

約数和(自身を含む): 240775920

約数和(自身を除く): 160517400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 668821, 1337642, 2006463, 2675284, 3344105, 4012926, 5350568, 6688210, 8025852, 10032315, 13376420, 16051704, 20064630, 26752840, 40129260, 80258520]

約数ペア:

[(1, 80258520), (2, 40129260), (3, 26752840), (4, 20064630), (5, 16051704), (6, 13376420), (8, 10032315), (10, 8025852), (12, 6688210), (15, 5350568), (20, 4012926), (24, 3344105), (30, 2675284), (40, 2006463), (60, 1337642), (120, 668821)]