123884820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{688249}}^1$

素因数の和:688264

約数の個数: 36

約数和(自身を含む): 375784500

約数和(自身を除く): 251899680

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 688249, 1376498, 2064747, 2752996, 3441245, 4129494, 6194241, 6882490, 8258988, 10323735, 12388482, 13764980, 20647470, 24776964, 30971205, 41294940, 61942410, 123884820]

約数ペア:

[(1, 123884820), (2, 61942410), (3, 41294940), (4, 30971205), (5, 24776964), (6, 20647470), (9, 13764980), (10, 12388482), (12, 10323735), (15, 8258988), (18, 6882490), (20, 6194241), (30, 4129494), (36, 3441245), (45, 2752996), (60, 2064747), (90, 1376498), (180, 688249)]