78507480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{654229}}^1$

素因数の和:654243

約数の個数: 32

約数和(自身を含む): 235522800

約数和(自身を除く): 157015320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 654229, 1308458, 1962687, 2616916, 3271145, 3925374, 5233832, 6542290, 7850748, 9813435, 13084580, 15701496, 19626870, 26169160, 39253740, 78507480]

約数ペア:

[(1, 78507480), (2, 39253740), (3, 26169160), (4, 19626870), (5, 15701496), (6, 13084580), (8, 9813435), (10, 7850748), (12, 6542290), (15, 5233832), (20, 3925374), (24, 3271145), (30, 2616916), (40, 1962687), (60, 1308458), (120, 654229)]