18908640

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{1459}}^1$

素因数の和:1486

約数の個数: 120

約数和(自身を含む): 66777480

約数和(自身を除く): 47868840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1459, 1620, 2160, 2592, 2918, 3240, 4320, 4377, 5836, 6480, 7295, 8754, 11672, 12960, 13131, 14590, 17508, 21885, 23344, 26262, 29180, 35016, 39393, 43770, 46688, 52524, 58360, 65655, 70032, 78786, 87540, 105048, 116720, 118179, 131310, 140064, 157572, 175080, 196965, 210096, 233440, 236358, 262620, 315144, 350160, 393930, 420192, 472716, 525240, 590895, 630288, 700320, 787860, 945432, 1050480, 1181790, 1260576, 1575720, 1890864, 2100960, 2363580, 3151440, 3781728, 4727160, 6302880, 9454320, 18908640]

約数ペア:

[(1, 18908640), (2, 9454320), (3, 6302880), (4, 4727160), (5, 3781728), (6, 3151440), (8, 2363580), (9, 2100960), (10, 1890864), (12, 1575720), (15, 1260576), (16, 1181790), (18, 1050480), (20, 945432), (24, 787860), (27, 700320), (30, 630288), (32, 590895), (36, 525240), (40, 472716), (45, 420192), (48, 393930), (54, 350160), (60, 315144), (72, 262620), (80, 236358), (81, 233440), (90, 210096), (96, 196965), (108, 175080), (120, 157572), (135, 140064), (144, 131310), (160, 118179), (162, 116720), (180, 105048), (216, 87540), (240, 78786), (270, 70032), (288, 65655), (324, 58360), (360, 52524), (405, 46688), (432, 43770), (480, 39393), (540, 35016), (648, 29180), (720, 26262), (810, 23344), (864, 21885), (1080, 17508), (1296, 14590), (1440, 13131), (1459, 12960), (1620, 11672), (2160, 8754), (2592, 7295), (2918, 6480), (3240, 5836), (4320, 4377)]