393776640

素因数分解:

$2^9\times 3^6\times 5^1\times {\mathrm{211}}^1$

素因数の和:252

約数の個数: 280

約数和(自身を含む): 1422272808

約数和(自身を除く): 1028496168

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, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 211, 216, 240, 243, 256, 270, 288, 320, 324, 360, 384, 405, 422, 432, 480, 486, 512, 540, 576, 633, 640, 648, 720, 729, 768, 810, 844, 864, 960, 972, 1055, 1080, 1152, 1215, 1266, 1280, 1296, 1440, 1458, 1536, 1620, 1688, 1728, 1899, 1920, 1944, 2110, 2160, 2304, 2430, 2532, 2560, 2592, 2880, 2916, 3165, 3240, 3376, 3456, 3645, 3798, 3840, 3888, 4220, 4320, 4608, 4860, 5064, 5184, 5697, 5760, 5832, 6330, 6480, 6752, 6912, 7290, 7596, 7680, 7776, 8440, 8640, 9495, 9720, 10128, 10368, 11394, 11520, 11664, 12660, 12960, 13504, 13824, 14580, 15192, 15552, 16880, 17091, 17280, 18990, 19440, 20256, 20736, 22788, 23040, 23328, 25320, 25920, 27008, 28485, 29160, 30384, 31104, 33760, 34182, 34560, 37980, 38880, 40512, 41472, 45576, 46656, 50640, 51273, 51840, 54016, 56970, 58320, 60768, 62208, 67520, 68364, 69120, 75960, 77760, 81024, 85455, 91152, 93312, 101280, 102546, 103680, 108032, 113940, 116640, 121536, 124416, 135040, 136728, 151920, 153819, 155520, 162048, 170910, 182304, 186624, 202560, 205092, 207360, 227880, 233280, 243072, 256365, 270080, 273456, 303840, 307638, 311040, 324096, 341820, 364608, 373248, 405120, 410184, 455760, 466560, 486144, 512730, 540160, 546912, 607680, 615276, 622080, 683640, 729216, 769095, 810240, 820368, 911520, 933120, 972288, 1025460, 1093824, 1215360, 1230552, 1367280, 1458432, 1538190, 1620480, 1640736, 1823040, 1866240, 2050920, 2187648, 2430720, 2461104, 2734560, 2916864, 3076380, 3281472, 3646080, 4101840, 4375296, 4861440, 4922208, 5469120, 6152760, 6562944, 7292160, 8203680, 8750592, 9844416, 10938240, 12305520, 13125888, 14584320, 16407360, 19688832, 21876480, 24611040, 26251776, 32814720, 39377664, 43752960, 49222080, 65629440, 78755328, 98444160, 131258880, 196888320, 393776640]

約数ペア:

[(1, 393776640), (2, 196888320), (3, 131258880), (4, 98444160), (5, 78755328), (6, 65629440), (8, 49222080), (9, 43752960), (10, 39377664), (12, 32814720), (15, 26251776), (16, 24611040), (18, 21876480), (20, 19688832), (24, 16407360), (27, 14584320), (30, 13125888), (32, 12305520), (36, 10938240), (40, 9844416), (45, 8750592), (48, 8203680), (54, 7292160), (60, 6562944), (64, 6152760), (72, 5469120), (80, 4922208), (81, 4861440), (90, 4375296), (96, 4101840), (108, 3646080), (120, 3281472), (128, 3076380), (135, 2916864), (144, 2734560), (160, 2461104), (162, 2430720), (180, 2187648), (192, 2050920), (211, 1866240), (216, 1823040), (240, 1640736), (243, 1620480), (256, 1538190), (270, 1458432), (288, 1367280), (320, 1230552), (324, 1215360), (360, 1093824), (384, 1025460), (405, 972288), (422, 933120), (432, 911520), (480, 820368), (486, 810240), (512, 769095), (540, 729216), (576, 683640), (633, 622080), (640, 615276), (648, 607680), (720, 546912), (729, 540160), (768, 512730), (810, 486144), (844, 466560), (864, 455760), (960, 410184), (972, 405120), (1055, 373248), (1080, 364608), (1152, 341820), (1215, 324096), (1266, 311040), (1280, 307638), (1296, 303840), (1440, 273456), (1458, 270080), (1536, 256365), (1620, 243072), (1688, 233280), (1728, 227880), (1899, 207360), (1920, 205092), (1944, 202560), (2110, 186624), (2160, 182304), (2304, 170910), (2430, 162048), (2532, 155520), (2560, 153819), (2592, 151920), (2880, 136728), (2916, 135040), (3165, 124416), (3240, 121536), (3376, 116640), (3456, 113940), (3645, 108032), (3798, 103680), (3840, 102546), (3888, 101280), (4220, 93312), (4320, 91152), (4608, 85455), (4860, 81024), (5064, 77760), (5184, 75960), (5697, 69120), (5760, 68364), (5832, 67520), (6330, 62208), (6480, 60768), (6752, 58320), (6912, 56970), (7290, 54016), (7596, 51840), (7680, 51273), (7776, 50640), (8440, 46656), (8640, 45576), (9495, 41472), (9720, 40512), (10128, 38880), (10368, 37980), (11394, 34560), (11520, 34182), (11664, 33760), (12660, 31104), (12960, 30384), (13504, 29160), (13824, 28485), (14580, 27008), (15192, 25920), (15552, 25320), (16880, 23328), (17091, 23040), (17280, 22788), (18990, 20736), (19440, 20256)]