221499360

素因数分解:

$2^5\times 3^8\times 5^1\times {\mathrm{211}}^1$

素因数の和:250

約数の個数: 216

約数和(自身を含む): 788618376

約数和(自身を除く): 567119016

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, 211, 216, 240, 243, 270, 288, 324, 360, 405, 422, 432, 480, 486, 540, 633, 648, 720, 729, 810, 844, 864, 972, 1055, 1080, 1215, 1266, 1296, 1440, 1458, 1620, 1688, 1899, 1944, 2110, 2160, 2187, 2430, 2532, 2592, 2916, 3165, 3240, 3376, 3645, 3798, 3888, 4220, 4320, 4374, 4860, 5064, 5697, 5832, 6330, 6480, 6561, 6752, 7290, 7596, 7776, 8440, 8748, 9495, 9720, 10128, 10935, 11394, 11664, 12660, 12960, 13122, 14580, 15192, 16880, 17091, 17496, 18990, 19440, 20256, 21870, 22788, 23328, 25320, 26244, 28485, 29160, 30384, 32805, 33760, 34182, 34992, 37980, 38880, 43740, 45576, 50640, 51273, 52488, 56970, 58320, 60768, 65610, 68364, 69984, 75960, 85455, 87480, 91152, 101280, 102546, 104976, 113940, 116640, 131220, 136728, 151920, 153819, 170910, 174960, 182304, 205092, 209952, 227880, 256365, 262440, 273456, 303840, 307638, 341820, 349920, 410184, 455760, 461457, 512730, 524880, 546912, 615276, 683640, 769095, 820368, 911520, 922914, 1025460, 1049760, 1230552, 1367280, 1384371, 1538190, 1640736, 1845828, 2050920, 2307285, 2461104, 2734560, 2768742, 3076380, 3691656, 4101840, 4614570, 4922208, 5537484, 6152760, 6921855, 7383312, 8203680, 9229140, 11074968, 12305520, 13843710, 14766624, 18458280, 22149936, 24611040, 27687420, 36916560, 44299872, 55374840, 73833120, 110749680, 221499360]

約数ペア:

[(1, 221499360), (2, 110749680), (3, 73833120), (4, 55374840), (5, 44299872), (6, 36916560), (8, 27687420), (9, 24611040), (10, 22149936), (12, 18458280), (15, 14766624), (16, 13843710), (18, 12305520), (20, 11074968), (24, 9229140), (27, 8203680), (30, 7383312), (32, 6921855), (36, 6152760), (40, 5537484), (45, 4922208), (48, 4614570), (54, 4101840), (60, 3691656), (72, 3076380), (80, 2768742), (81, 2734560), (90, 2461104), (96, 2307285), (108, 2050920), (120, 1845828), (135, 1640736), (144, 1538190), (160, 1384371), (162, 1367280), (180, 1230552), (211, 1049760), (216, 1025460), (240, 922914), (243, 911520), (270, 820368), (288, 769095), (324, 683640), (360, 615276), (405, 546912), (422, 524880), (432, 512730), (480, 461457), (486, 455760), (540, 410184), (633, 349920), (648, 341820), (720, 307638), (729, 303840), (810, 273456), (844, 262440), (864, 256365), (972, 227880), (1055, 209952), (1080, 205092), (1215, 182304), (1266, 174960), (1296, 170910), (1440, 153819), (1458, 151920), (1620, 136728), (1688, 131220), (1899, 116640), (1944, 113940), (2110, 104976), (2160, 102546), (2187, 101280), (2430, 91152), (2532, 87480), (2592, 85455), (2916, 75960), (3165, 69984), (3240, 68364), (3376, 65610), (3645, 60768), (3798, 58320), (3888, 56970), (4220, 52488), (4320, 51273), (4374, 50640), (4860, 45576), (5064, 43740), (5697, 38880), (5832, 37980), (6330, 34992), (6480, 34182), (6561, 33760), (6752, 32805), (7290, 30384), (7596, 29160), (7776, 28485), (8440, 26244), (8748, 25320), (9495, 23328), (9720, 22788), (10128, 21870), (10935, 20256), (11394, 19440), (11664, 18990), (12660, 17496), (12960, 17091), (13122, 16880), (14580, 15192)]