640773504

素因数分解:

$2^7\times 3^8\times 7^1\times {\mathrm{109}}^1$

素因数の和:154

約数の個数: 288

約数和(自身を含む): 2208320400

約数和(自身を除く): 1567546896

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 81, 84, 96, 108, 109, 112, 126, 128, 144, 162, 168, 189, 192, 216, 218, 224, 243, 252, 288, 324, 327, 336, 378, 384, 432, 436, 448, 486, 504, 567, 576, 648, 654, 672, 729, 756, 763, 864, 872, 896, 972, 981, 1008, 1134, 1152, 1296, 1308, 1344, 1458, 1512, 1526, 1701, 1728, 1744, 1944, 1962, 2016, 2187, 2268, 2289, 2592, 2616, 2688, 2916, 2943, 3024, 3052, 3402, 3456, 3488, 3888, 3924, 4032, 4374, 4536, 4578, 5103, 5184, 5232, 5832, 5886, 6048, 6104, 6561, 6804, 6867, 6976, 7776, 7848, 8064, 8748, 8829, 9072, 9156, 10206, 10368, 10464, 11664, 11772, 12096, 12208, 13122, 13608, 13734, 13952, 15309, 15552, 15696, 17496, 17658, 18144, 18312, 20412, 20601, 20928, 23328, 23544, 24192, 24416, 26244, 26487, 27216, 27468, 30618, 31104, 31392, 34992, 35316, 36288, 36624, 40824, 41202, 41856, 45927, 46656, 47088, 48832, 52488, 52974, 54432, 54936, 61236, 61803, 62784, 69984, 70632, 72576, 73248, 79461, 81648, 82404, 91854, 93312, 94176, 97664, 104976, 105948, 108864, 109872, 122472, 123606, 125568, 139968, 141264, 146496, 158922, 163296, 164808, 183708, 185409, 188352, 209952, 211896, 217728, 219744, 238383, 244944, 247212, 279936, 282528, 292992, 317844, 326592, 329616, 367416, 370818, 376704, 419904, 423792, 439488, 476766, 489888, 494424, 556227, 565056, 635688, 653184, 659232, 715149, 734832, 741636, 839808, 847584, 878976, 953532, 979776, 988848, 1112454, 1130112, 1271376, 1318464, 1430298, 1469664, 1483272, 1668681, 1695168, 1907064, 1959552, 1977696, 2224908, 2542752, 2636928, 2860596, 2939328, 2966544, 3337362, 3390336, 3814128, 3955392, 4449816, 5006043, 5085504, 5721192, 5878656, 5933088, 6674724, 7628256, 7910784, 8899632, 10012086, 10171008, 11442384, 11866176, 13349448, 15256512, 17799264, 20024172, 22884768, 23732352, 26698896, 30513024, 35598528, 40048344, 45769536, 53397792, 71197056, 80096688, 91539072, 106795584, 160193376, 213591168, 320386752, 640773504]

約数ペア:

[(1, 640773504), (2, 320386752), (3, 213591168), (4, 160193376), (6, 106795584), (7, 91539072), (8, 80096688), (9, 71197056), (12, 53397792), (14, 45769536), (16, 40048344), (18, 35598528), (21, 30513024), (24, 26698896), (27, 23732352), (28, 22884768), (32, 20024172), (36, 17799264), (42, 15256512), (48, 13349448), (54, 11866176), (56, 11442384), (63, 10171008), (64, 10012086), (72, 8899632), (81, 7910784), (84, 7628256), (96, 6674724), (108, 5933088), (109, 5878656), (112, 5721192), (126, 5085504), (128, 5006043), (144, 4449816), (162, 3955392), (168, 3814128), (189, 3390336), (192, 3337362), (216, 2966544), (218, 2939328), (224, 2860596), (243, 2636928), (252, 2542752), (288, 2224908), (324, 1977696), (327, 1959552), (336, 1907064), (378, 1695168), (384, 1668681), (432, 1483272), (436, 1469664), (448, 1430298), (486, 1318464), (504, 1271376), (567, 1130112), (576, 1112454), (648, 988848), (654, 979776), (672, 953532), (729, 878976), (756, 847584), (763, 839808), (864, 741636), (872, 734832), (896, 715149), (972, 659232), (981, 653184), (1008, 635688), (1134, 565056), (1152, 556227), (1296, 494424), (1308, 489888), (1344, 476766), (1458, 439488), (1512, 423792), (1526, 419904), (1701, 376704), (1728, 370818), (1744, 367416), (1944, 329616), (1962, 326592), (2016, 317844), (2187, 292992), (2268, 282528), (2289, 279936), (2592, 247212), (2616, 244944), (2688, 238383), (2916, 219744), (2943, 217728), (3024, 211896), (3052, 209952), (3402, 188352), (3456, 185409), (3488, 183708), (3888, 164808), (3924, 163296), (4032, 158922), (4374, 146496), (4536, 141264), (4578, 139968), (5103, 125568), (5184, 123606), (5232, 122472), (5832, 109872), (5886, 108864), (6048, 105948), (6104, 104976), (6561, 97664), (6804, 94176), (6867, 93312), (6976, 91854), (7776, 82404), (7848, 81648), (8064, 79461), (8748, 73248), (8829, 72576), (9072, 70632), (9156, 69984), (10206, 62784), (10368, 61803), (10464, 61236), (11664, 54936), (11772, 54432), (12096, 52974), (12208, 52488), (13122, 48832), (13608, 47088), (13734, 46656), (13952, 45927), (15309, 41856), (15552, 41202), (15696, 40824), (17496, 36624), (17658, 36288), (18144, 35316), (18312, 34992), (20412, 31392), (20601, 31104), (20928, 30618), (23328, 27468), (23544, 27216), (24192, 26487), (24416, 26244)]