51187440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{213281}}^1$

素因数の和:213297

約数の個数: 40

約数和(自身を含む): 158681808

約数和(自身を除く): 107494368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 213281, 426562, 639843, 853124, 1066405, 1279686, 1706248, 2132810, 2559372, 3199215, 3412496, 4265620, 5118744, 6398430, 8531240, 10237488, 12796860, 17062480, 25593720, 51187440]

約数ペア:

[(1, 51187440), (2, 25593720), (3, 17062480), (4, 12796860), (5, 10237488), (6, 8531240), (8, 6398430), (10, 5118744), (12, 4265620), (15, 3412496), (16, 3199215), (20, 2559372), (24, 2132810), (30, 1706248), (40, 1279686), (48, 1066405), (60, 853124), (80, 639843), (120, 426562), (240, 213281)]