61915760

素因数分解:

$2^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{2521}}^1$

素因数の和:2841

約数の個数: 40

約数和(自身を含む): 144480336

約数和(自身を除く): 82564576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 307, 614, 1228, 1535, 2456, 2521, 3070, 4912, 5042, 6140, 10084, 12280, 12605, 20168, 24560, 25210, 40336, 50420, 100840, 201680, 773947, 1547894, 3095788, 3869735, 6191576, 7739470, 12383152, 15478940, 30957880, 61915760]

約数ペア:

[(1, 61915760), (2, 30957880), (4, 15478940), (5, 12383152), (8, 7739470), (10, 6191576), (16, 3869735), (20, 3095788), (40, 1547894), (80, 773947), (307, 201680), (614, 100840), (1228, 50420), (1535, 40336), (2456, 25210), (2521, 24560), (3070, 20168), (4912, 12605), (5042, 12280), (6140, 10084)]