78561480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{654679}}^1$

素因数の和:654693

約数の個数: 32

約数和(自身を含む): 235684800

約数和(自身を除く): 157123320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 654679, 1309358, 1964037, 2618716, 3273395, 3928074, 5237432, 6546790, 7856148, 9820185, 13093580, 15712296, 19640370, 26187160, 39280740, 78561480]

約数ペア:

[(1, 78561480), (2, 39280740), (3, 26187160), (4, 19640370), (5, 15712296), (6, 13093580), (8, 9820185), (10, 7856148), (12, 6546790), (15, 5237432), (20, 3928074), (24, 3273395), (30, 2618716), (40, 1964037), (60, 1309358), (120, 654679)]