204819840

素因数分解:

$2^7\times 3^6\times 5^1\times {\mathrm{439}}^1$

素因数の和:476

約数の個数: 224

約数和(自身を含む): 735807600

約数和(自身を除く): 530987760

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, 216, 240, 243, 270, 288, 320, 324, 360, 384, 405, 432, 439, 480, 486, 540, 576, 640, 648, 720, 729, 810, 864, 878, 960, 972, 1080, 1152, 1215, 1296, 1317, 1440, 1458, 1620, 1728, 1756, 1920, 1944, 2160, 2195, 2430, 2592, 2634, 2880, 2916, 3240, 3456, 3512, 3645, 3888, 3951, 4320, 4390, 4860, 5184, 5268, 5760, 5832, 6480, 6585, 7024, 7290, 7776, 7902, 8640, 8780, 9720, 10368, 10536, 11664, 11853, 12960, 13170, 14048, 14580, 15552, 15804, 17280, 17560, 19440, 19755, 21072, 23328, 23706, 25920, 26340, 28096, 29160, 31104, 31608, 35120, 35559, 38880, 39510, 42144, 46656, 47412, 51840, 52680, 56192, 58320, 59265, 63216, 70240, 71118, 77760, 79020, 84288, 93312, 94824, 105360, 106677, 116640, 118530, 126432, 140480, 142236, 155520, 158040, 168576, 177795, 189648, 210720, 213354, 233280, 237060, 252864, 280960, 284472, 316080, 320031, 355590, 379296, 421440, 426708, 466560, 474120, 505728, 533385, 568944, 632160, 640062, 711180, 758592, 842880, 853416, 948240, 1066770, 1137888, 1264320, 1280124, 1422360, 1517184, 1600155, 1706832, 1896480, 2133540, 2275776, 2528640, 2560248, 2844720, 3200310, 3413664, 3792960, 4267080, 4551552, 5120496, 5689440, 6400620, 6827328, 7585920, 8534160, 10240992, 11378880, 12801240, 13654656, 17068320, 20481984, 22757760, 25602480, 34136640, 40963968, 51204960, 68273280, 102409920, 204819840]

約数ペア:

[(1, 204819840), (2, 102409920), (3, 68273280), (4, 51204960), (5, 40963968), (6, 34136640), (8, 25602480), (9, 22757760), (10, 20481984), (12, 17068320), (15, 13654656), (16, 12801240), (18, 11378880), (20, 10240992), (24, 8534160), (27, 7585920), (30, 6827328), (32, 6400620), (36, 5689440), (40, 5120496), (45, 4551552), (48, 4267080), (54, 3792960), (60, 3413664), (64, 3200310), (72, 2844720), (80, 2560248), (81, 2528640), (90, 2275776), (96, 2133540), (108, 1896480), (120, 1706832), (128, 1600155), (135, 1517184), (144, 1422360), (160, 1280124), (162, 1264320), (180, 1137888), (192, 1066770), (216, 948240), (240, 853416), (243, 842880), (270, 758592), (288, 711180), (320, 640062), (324, 632160), (360, 568944), (384, 533385), (405, 505728), (432, 474120), (439, 466560), (480, 426708), (486, 421440), (540, 379296), (576, 355590), (640, 320031), (648, 316080), (720, 284472), (729, 280960), (810, 252864), (864, 237060), (878, 233280), (960, 213354), (972, 210720), (1080, 189648), (1152, 177795), (1215, 168576), (1296, 158040), (1317, 155520), (1440, 142236), (1458, 140480), (1620, 126432), (1728, 118530), (1756, 116640), (1920, 106677), (1944, 105360), (2160, 94824), (2195, 93312), (2430, 84288), (2592, 79020), (2634, 77760), (2880, 71118), (2916, 70240), (3240, 63216), (3456, 59265), (3512, 58320), (3645, 56192), (3888, 52680), (3951, 51840), (4320, 47412), (4390, 46656), (4860, 42144), (5184, 39510), (5268, 38880), (5760, 35559), (5832, 35120), (6480, 31608), (6585, 31104), (7024, 29160), (7290, 28096), (7776, 26340), (7902, 25920), (8640, 23706), (8780, 23328), (9720, 21072), (10368, 19755), (10536, 19440), (11664, 17560), (11853, 17280), (12960, 15804), (13170, 15552), (14048, 14580)]