281337325920

素因数分解:

$2^5\times 3^4\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{3331}}^1$

素因数の和:3398

約数の個数: 960

約数和(自身を含む): 1219192128000

約数和(自身を除く): 937854802080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 49, 54, 56, 57, 60, 63, 70, 72, 76, 80, 81, 84, 90, 95, 96, 98, 105, 108, 112, 114, 120, 126, 133, 135, 140, 144, 147, 152, 160, 162, 168, 171, 180, 189, 190, 196, 210, 216, 224, 228, 240, 245, 252, 266, 270, 280, 285, 288, 294, 304, 315, 324, 336, 342, 343, 360, 378, 380, 392, 399, 405, 420, 432, 441, 456, 480, 490, 504, 513, 532, 540, 560, 567, 570, 588, 608, 630, 648, 665, 672, 684, 686, 720, 735, 756, 760, 784, 798, 810, 840, 855, 864, 882, 912, 931, 945, 980, 1008, 1026, 1029, 1064, 1080, 1120, 1134, 1140, 1176, 1197, 1260, 1296, 1323, 1330, 1368, 1372, 1440, 1470, 1512, 1520, 1539, 1568, 1596, 1620, 1680, 1710, 1715, 1764, 1824, 1862, 1890, 1960, 1995, 2016, 2052, 2058, 2128, 2160, 2205, 2268, 2280, 2352, 2394, 2520, 2565, 2592, 2646, 2660, 2736, 2744, 2793, 2835, 2940, 3024, 3040, 3078, 3087, 3192, 3240, 3331, 3360, 3420, 3430, 3528, 3591, 3724, 3780, 3920, 3969, 3990, 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約数ペア:

[(1, 281337325920), (2, 140668662960), (3, 93779108640), (4, 70334331480), (5, 56267465184), (6, 46889554320), (7, 40191046560), (8, 35167165740), (9, 31259702880), (10, 28133732592), (12, 23444777160), (14, 20095523280), (15, 18755821728), (16, 17583582870), (18, 15629851440), (19, 14807227680), (20, 14066866296), (21, 13397015520), (24, 11722388580), (27, 10419900960), (28, 10047761640), (30, 9377910864), (32, 8791791435), (35, 8038209312), (36, 7814925720), (38, 7403613840), (40, 7033433148), (42, 6698507760), (45, 6251940576), (48, 5861194290), (49, 5741578080), (54, 5209950480), (56, 5023880820), (57, 4935742560), (60, 4688955432), (63, 4465671840), (70, 4019104656), (72, 3907462860), (76, 3701806920), (80, 3516716574), (81, 3473300320), (84, 3349253880), (90, 3125970288), (95, 2961445536), (96, 2930597145), (98, 2870789040), (105, 2679403104), (108, 2604975240), (112, 2511940410), (114, 2467871280), (120, 2344477716), (126, 2232835920), (133, 2115318240), (135, 2083980192), (140, 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