18458280

素因数分解:

$2^3\times 3^7\times 5^1\times {\mathrm{211}}^1$

素因数の和:243

約数の個数: 128

約数和(自身を含む): 62582400

約数和(自身を除く): 44124120

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, 211, 216, 243, 270, 324, 360, 405, 422, 486, 540, 633, 648, 729, 810, 844, 972, 1055, 1080, 1215, 1266, 1458, 1620, 1688, 1899, 1944, 2110, 2187, 2430, 2532, 2916, 3165, 3240, 3645, 3798, 4220, 4374, 4860, 5064, 5697, 5832, 6330, 7290, 7596, 8440, 8748, 9495, 9720, 10935, 11394, 12660, 14580, 15192, 17091, 17496, 18990, 21870, 22788, 25320, 28485, 29160, 34182, 37980, 43740, 45576, 51273, 56970, 68364, 75960, 85455, 87480, 102546, 113940, 136728, 153819, 170910, 205092, 227880, 256365, 307638, 341820, 410184, 461457, 512730, 615276, 683640, 769095, 922914, 1025460, 1230552, 1538190, 1845828, 2050920, 2307285, 3076380, 3691656, 4614570, 6152760, 9229140, 18458280]

約数ペア:

[(1, 18458280), (2, 9229140), (3, 6152760), (4, 4614570), (5, 3691656), (6, 3076380), (8, 2307285), (9, 2050920), (10, 1845828), (12, 1538190), (15, 1230552), (18, 1025460), (20, 922914), (24, 769095), (27, 683640), (30, 615276), (36, 512730), (40, 461457), (45, 410184), (54, 341820), (60, 307638), (72, 256365), (81, 227880), (90, 205092), (108, 170910), (120, 153819), (135, 136728), (162, 113940), (180, 102546), (211, 87480), (216, 85455), (243, 75960), (270, 68364), (324, 56970), (360, 51273), (405, 45576), (422, 43740), (486, 37980), (540, 34182), (633, 29160), (648, 28485), (729, 25320), (810, 22788), (844, 21870), (972, 18990), (1055, 17496), (1080, 17091), (1215, 15192), (1266, 14580), (1458, 12660), (1620, 11394), (1688, 10935), (1899, 9720), (1944, 9495), (2110, 8748), (2187, 8440), (2430, 7596), (2532, 7290), (2916, 6330), (3165, 5832), (3240, 5697), (3645, 5064), (3798, 4860), (4220, 4374)]