72716220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{403979}}^1$

素因数の和:403994

約数の個数: 36

約数和(自身を含む): 220573080

約数和(自身を除く): 147856860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 403979, 807958, 1211937, 1615916, 2019895, 2423874, 3635811, 4039790, 4847748, 6059685, 7271622, 8079580, 12119370, 14543244, 18179055, 24238740, 36358110, 72716220]

約数ペア:

[(1, 72716220), (2, 36358110), (3, 24238740), (4, 18179055), (5, 14543244), (6, 12119370), (9, 8079580), (10, 7271622), (12, 6059685), (15, 4847748), (18, 4039790), (20, 3635811), (30, 2423874), (36, 2019895), (45, 1615916), (60, 1211937), (90, 807958), (180, 403979)]