81495720

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{25153}}^1$

素因数の和:25176

約数の個数: 80

約数和(自身を含む): 273927060

約数和(自身を除く): 192431340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 25153, 50306, 75459, 100612, 125765, 150918, 201224, 226377, 251530, 301836, 377295, 452754, 503060, 603672, 679131, 754590, 905508, 1006120, 1131885, 1358262, 1509180, 1811016, 2037393, 2263770, 2716524, 3018360, 3395655, 4074786, 4527540, 5433048, 6791310, 8149572, 9055080, 10186965, 13582620, 16299144, 20373930, 27165240, 40747860, 81495720]

約数ペア:

[(1, 81495720), (2, 40747860), (3, 27165240), (4, 20373930), (5, 16299144), (6, 13582620), (8, 10186965), (9, 9055080), (10, 8149572), (12, 6791310), (15, 5433048), (18, 4527540), (20, 4074786), (24, 3395655), (27, 3018360), (30, 2716524), (36, 2263770), (40, 2037393), (45, 1811016), (54, 1509180), (60, 1358262), (72, 1131885), (81, 1006120), (90, 905508), (108, 754590), (120, 679131), (135, 603672), (162, 503060), (180, 452754), (216, 377295), (270, 301836), (324, 251530), (360, 226377), (405, 201224), (540, 150918), (648, 125765), (810, 100612), (1080, 75459), (1620, 50306), (3240, 25153)]