18804960

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{1451}}^1$

素因数の和:1478

約数の個数: 120

約数和(自身を含む): 66411576

約数和(自身を除く): 47606616

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, 1451, 1620, 2160, 2592, 2902, 3240, 4320, 4353, 5804, 6480, 7255, 8706, 11608, 12960, 13059, 14510, 17412, 21765, 23216, 26118, 29020, 34824, 39177, 43530, 46432, 52236, 58040, 65295, 69648, 78354, 87060, 104472, 116080, 117531, 130590, 139296, 156708, 174120, 195885, 208944, 232160, 235062, 261180, 313416, 348240, 391770, 417888, 470124, 522360, 587655, 626832, 696480, 783540, 940248, 1044720, 1175310, 1253664, 1567080, 1880496, 2089440, 2350620, 3134160, 3760992, 4701240, 6268320, 9402480, 18804960]

約数ペア:

[(1, 18804960), (2, 9402480), (3, 6268320), (4, 4701240), (5, 3760992), (6, 3134160), (8, 2350620), (9, 2089440), (10, 1880496), (12, 1567080), (15, 1253664), (16, 1175310), (18, 1044720), (20, 940248), (24, 783540), (27, 696480), (30, 626832), (32, 587655), (36, 522360), (40, 470124), (45, 417888), (48, 391770), (54, 348240), (60, 313416), (72, 261180), (80, 235062), (81, 232160), (90, 208944), (96, 195885), (108, 174120), (120, 156708), (135, 139296), (144, 130590), (160, 117531), (162, 116080), (180, 104472), (216, 87060), (240, 78354), (270, 69648), (288, 65295), (324, 58040), (360, 52236), (405, 46432), (432, 43530), (480, 39177), (540, 34824), (648, 29020), (720, 26118), (810, 23216), (864, 21765), (1080, 17412), (1296, 14510), (1440, 13059), (1451, 12960), (1620, 11608), (2160, 8706), (2592, 7255), (2902, 6480), (3240, 5804), (4320, 4353)]