72788580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{404381}}^1$

素因数の和:404396

約数の個数: 36

約数和(自身を含む): 220792572

約数和(自身を除く): 148003992

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 404381, 808762, 1213143, 1617524, 2021905, 2426286, 3639429, 4043810, 4852572, 6065715, 7278858, 8087620, 12131430, 14557716, 18197145, 24262860, 36394290, 72788580]

約数ペア:

[(1, 72788580), (2, 36394290), (3, 24262860), (4, 18197145), (5, 14557716), (6, 12131430), (9, 8087620), (10, 7278858), (12, 6065715), (15, 4852572), (18, 4043810), (20, 3639429), (30, 2426286), (36, 2021905), (45, 1617524), (60, 1213143), (90, 808762), (180, 404381)]