78821040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{328421}}^1$

素因数の和:328437

約数の個数: 40

約数和(自身を含む): 244345968

約数和(自身を除く): 165524928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 328421, 656842, 985263, 1313684, 1642105, 1970526, 2627368, 3284210, 3941052, 4926315, 5254736, 6568420, 7882104, 9852630, 13136840, 15764208, 19705260, 26273680, 39410520, 78821040]

約数ペア:

[(1, 78821040), (2, 39410520), (3, 26273680), (4, 19705260), (5, 15764208), (6, 13136840), (8, 9852630), (10, 7882104), (12, 6568420), (15, 5254736), (16, 4926315), (20, 3941052), (24, 3284210), (30, 2627368), (40, 1970526), (48, 1642105), (60, 1313684), (80, 985263), (120, 656842), (240, 328421)]