998288640

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{449}}^1$

素因数の和:669

約数の個数: 216

約数和(自身を含む): 3479603400

約数和(自身を除く): 2481314760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 193, 240, 256, 288, 320, 360, 384, 386, 449, 480, 576, 579, 640, 720, 768, 772, 898, 960, 965, 1152, 1158, 1280, 1347, 1440, 1544, 1737, 1796, 1920, 1930, 2245, 2304, 2316, 2694, 2880, 2895, 3088, 3474, 3592, 3840, 3860, 4041, 4490, 4632, 5388, 5760, 5790, 6176, 6735, 6948, 7184, 7720, 8082, 8685, 8980, 9264, 10776, 11520, 11580, 12352, 13470, 13896, 14368, 15440, 16164, 17370, 17960, 18528, 20205, 21552, 23160, 24704, 26940, 27792, 28736, 30880, 32328, 34740, 35920, 37056, 40410, 43104, 46320, 49408, 53880, 55584, 57472, 61760, 64656, 69480, 71840, 74112, 80820, 86208, 86657, 92640, 107760, 111168, 114944, 123520, 129312, 138960, 143680, 148224, 161640, 172416, 173314, 185280, 215520, 222336, 247040, 258624, 259971, 277920, 287360, 323280, 344832, 346628, 370560, 431040, 433285, 444672, 517248, 519942, 555840, 574720, 646560, 693256, 741120, 779913, 862080, 866570, 1034496, 1039884, 1111680, 1293120, 1299855, 1386512, 1559826, 1724160, 1733140, 2079768, 2223360, 2586240, 2599710, 2773024, 3119652, 3466280, 3899565, 4159536, 5172480, 5199420, 5546048, 6239304, 6932560, 7799130, 8319072, 10398840, 11092096, 12478608, 13865120, 15598260, 16638144, 20797680, 22184192, 24957216, 27730240, 31196520, 33276288, 41595360, 49914432, 55460480, 62393040, 66552576, 83190720, 99828864, 110920960, 124786080, 166381440, 199657728, 249572160, 332762880, 499144320, 998288640]

約数ペア:

[(1, 998288640), (2, 499144320), (3, 332762880), (4, 249572160), (5, 199657728), (6, 166381440), (8, 124786080), (9, 110920960), (10, 99828864), (12, 83190720), (15, 66552576), (16, 62393040), (18, 55460480), (20, 49914432), (24, 41595360), (30, 33276288), (32, 31196520), (36, 27730240), (40, 24957216), (45, 22184192), (48, 20797680), (60, 16638144), (64, 15598260), (72, 13865120), (80, 12478608), (90, 11092096), (96, 10398840), (120, 8319072), (128, 7799130), (144, 6932560), (160, 6239304), (180, 5546048), (192, 5199420), (193, 5172480), (240, 4159536), (256, 3899565), (288, 3466280), (320, 3119652), (360, 2773024), (384, 2599710), (386, 2586240), (449, 2223360), (480, 2079768), (576, 1733140), (579, 1724160), (640, 1559826), (720, 1386512), (768, 1299855), (772, 1293120), (898, 1111680), (960, 1039884), (965, 1034496), (1152, 866570), (1158, 862080), (1280, 779913), (1347, 741120), (1440, 693256), (1544, 646560), (1737, 574720), (1796, 555840), (1920, 519942), (1930, 517248), (2245, 444672), (2304, 433285), (2316, 431040), (2694, 370560), (2880, 346628), (2895, 344832), (3088, 323280), (3474, 287360), (3592, 277920), (3840, 259971), (3860, 258624), (4041, 247040), (4490, 222336), (4632, 215520), (5388, 185280), (5760, 173314), (5790, 172416), (6176, 161640), (6735, 148224), (6948, 143680), (7184, 138960), (7720, 129312), (8082, 123520), (8685, 114944), (8980, 111168), (9264, 107760), (10776, 92640), (11520, 86657), (11580, 86208), (12352, 80820), (13470, 74112), (13896, 71840), (14368, 69480), (15440, 64656), (16164, 61760), (17370, 57472), (17960, 55584), (18528, 53880), (20205, 49408), (21552, 46320), (23160, 43104), (24704, 40410), (26940, 37056), (27792, 35920), (28736, 34740), (30880, 32328)]