31035780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{172421}}^1$

素因数の和:172436

約数の個数: 36

約数和(自身を含む): 94142412

約数和(自身を除く): 63106632

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 172421, 344842, 517263, 689684, 862105, 1034526, 1551789, 1724210, 2069052, 2586315, 3103578, 3448420, 5172630, 6207156, 7758945, 10345260, 15517890, 31035780]

約数ペア:

[(1, 31035780), (2, 15517890), (3, 10345260), (4, 7758945), (5, 6207156), (6, 5172630), (9, 3448420), (10, 3103578), (12, 2586315), (15, 2069052), (18, 1724210), (20, 1551789), (30, 1034526), (36, 862105), (45, 689684), (60, 517263), (90, 344842), (180, 172421)]