21667440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{90281}}^1$

素因数の和:90297

約数の個数: 40

約数和(自身を含む): 67169808

約数和(自身を除く): 45502368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 90281, 180562, 270843, 361124, 451405, 541686, 722248, 902810, 1083372, 1354215, 1444496, 1805620, 2166744, 2708430, 3611240, 4333488, 5416860, 7222480, 10833720, 21667440]

約数ペア:

[(1, 21667440), (2, 10833720), (3, 7222480), (4, 5416860), (5, 4333488), (6, 3611240), (8, 2708430), (10, 2166744), (12, 1805620), (15, 1444496), (16, 1354215), (20, 1083372), (24, 902810), (30, 722248), (40, 541686), (48, 451405), (60, 361124), (80, 270843), (120, 180562), (240, 90281)]