77872440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{648937}}^1$

素因数の和:648951

約数の個数: 32

約数和(自身を含む): 233617680

約数和(自身を除く): 155745240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 648937, 1297874, 1946811, 2595748, 3244685, 3893622, 5191496, 6489370, 7787244, 9734055, 12978740, 15574488, 19468110, 25957480, 38936220, 77872440]

約数ペア:

[(1, 77872440), (2, 38936220), (3, 25957480), (4, 19468110), (5, 15574488), (6, 12978740), (8, 9734055), (10, 7787244), (12, 6489370), (15, 5191496), (20, 3893622), (24, 3244685), (30, 2595748), (40, 1946811), (60, 1297874), (120, 648937)]