91978020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{510989}}^1$

素因数の和:511004

約数の個数: 36

約数和(自身を含む): 279000540

約数和(自身を除く): 187022520

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 510989, 1021978, 1532967, 2043956, 2554945, 3065934, 4598901, 5109890, 6131868, 7664835, 9197802, 10219780, 15329670, 18395604, 22994505, 30659340, 45989010, 91978020]

約数ペア:

[(1, 91978020), (2, 45989010), (3, 30659340), (4, 22994505), (5, 18395604), (6, 15329670), (9, 10219780), (10, 9197802), (12, 7664835), (15, 6131868), (18, 5109890), (20, 4598901), (30, 3065934), (36, 2554945), (45, 2043956), (60, 1532967), (90, 1021978), (180, 510989)]