51712380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{287291}}^1$

素因数の和:287306

約数の個数: 36

約数和(自身を含む): 156861432

約数和(自身を除く): 105149052

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 287291, 574582, 861873, 1149164, 1436455, 1723746, 2585619, 2872910, 3447492, 4309365, 5171238, 5745820, 8618730, 10342476, 12928095, 17237460, 25856190, 51712380]

約数ペア:

[(1, 51712380), (2, 25856190), (3, 17237460), (4, 12928095), (5, 10342476), (6, 8618730), (9, 5745820), (10, 5171238), (12, 4309365), (15, 3447492), (18, 2872910), (20, 2585619), (30, 1723746), (36, 1436455), (45, 1149164), (60, 861873), (90, 574582), (180, 287291)]