28736640

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{1663}}^1$

素因数の和:1691

約数の個数: 128

約数和(自身を含む): 101836800

約数和(自身を除く): 73100160

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, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1663, 1728, 1920, 2160, 2880, 3326, 3456, 4320, 4989, 5760, 6652, 8315, 8640, 9978, 13304, 14967, 16630, 17280, 19956, 24945, 26608, 29934, 33260, 39912, 44901, 49890, 53216, 59868, 66520, 74835, 79824, 89802, 99780, 106432, 119736, 133040, 149670, 159648, 179604, 199560, 212864, 224505, 239472, 266080, 299340, 319296, 359208, 399120, 449010, 478944, 532160, 598680, 638592, 718416, 798240, 898020, 957888, 1064320, 1197360, 1436832, 1596480, 1796040, 1915776, 2394720, 2873664, 3192960, 3592080, 4789440, 5747328, 7184160, 9578880, 14368320, 28736640]

約数ペア:

[(1, 28736640), (2, 14368320), (3, 9578880), (4, 7184160), (5, 5747328), (6, 4789440), (8, 3592080), (9, 3192960), (10, 2873664), (12, 2394720), (15, 1915776), (16, 1796040), (18, 1596480), (20, 1436832), (24, 1197360), (27, 1064320), (30, 957888), (32, 898020), (36, 798240), (40, 718416), (45, 638592), (48, 598680), (54, 532160), (60, 478944), (64, 449010), (72, 399120), (80, 359208), (90, 319296), (96, 299340), (108, 266080), (120, 239472), (128, 224505), (135, 212864), (144, 199560), (160, 179604), (180, 159648), (192, 149670), (216, 133040), (240, 119736), (270, 106432), (288, 99780), (320, 89802), (360, 79824), (384, 74835), (432, 66520), (480, 59868), (540, 53216), (576, 49890), (640, 44901), (720, 39912), (864, 33260), (960, 29934), (1080, 26608), (1152, 24945), (1440, 19956), (1663, 17280), (1728, 16630), (1920, 14967), (2160, 13304), (2880, 9978), (3326, 8640), (3456, 8315), (4320, 6652), (4989, 5760)]