78531240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{654427}}^1$

素因数の和:654441

約数の個数: 32

約数和(自身を含む): 235594080

約数和(自身を除く): 157062840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 654427, 1308854, 1963281, 2617708, 3272135, 3926562, 5235416, 6544270, 7853124, 9816405, 13088540, 15706248, 19632810, 26177080, 39265620, 78531240]

約数ペア:

[(1, 78531240), (2, 39265620), (3, 26177080), (4, 19632810), (5, 15706248), (6, 13088540), (8, 9816405), (10, 7853124), (12, 6544270), (15, 5235416), (20, 3926562), (24, 3272135), (30, 2617708), (40, 1963281), (60, 1308854), (120, 654427)]