640663632

素因数分解:

$2^4\times 3^2\times 7^4\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:168

約数の個数: 300

約数和(自身を含む): 2235029940

約数和(自身を除く): 1594366308

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 34, 36, 42, 48, 49, 51, 56, 63, 68, 72, 84, 98, 102, 109, 112, 119, 126, 136, 144, 147, 153, 168, 196, 204, 218, 238, 252, 272, 294, 306, 327, 336, 343, 357, 392, 408, 436, 441, 476, 504, 588, 612, 654, 686, 714, 763, 784, 816, 833, 872, 882, 952, 981, 1008, 1029, 1071, 1176, 1224, 1308, 1372, 1428, 1526, 1666, 1744, 1764, 1853, 1904, 1962, 2058, 2142, 2289, 2352, 2401, 2448, 2499, 2616, 2744, 2856, 3052, 3087, 3332, 3528, 3706, 3924, 4116, 4284, 4578, 4802, 4998, 5232, 5341, 5488, 5559, 5712, 5831, 6104, 6174, 6664, 6867, 7056, 7203, 7412, 7497, 7848, 8232, 8568, 9156, 9604, 9996, 10682, 11118, 11662, 12208, 12348, 12971, 13328, 13734, 14406, 14824, 14994, 15696, 16023, 16464, 16677, 17136, 17493, 18312, 19208, 19992, 21364, 21609, 22236, 23324, 24696, 25942, 27468, 28812, 29648, 29988, 32046, 33354, 34986, 36624, 37387, 38416, 38913, 39984, 40817, 42728, 43218, 44472, 46648, 48069, 49392, 51884, 52479, 54936, 57624, 59976, 64092, 66708, 69972, 74774, 77826, 81634, 85456, 86436, 88944, 90797, 93296, 96138, 103768, 104958, 109872, 112161, 115248, 116739, 119952, 122451, 128184, 133416, 139944, 149548, 155652, 163268, 172872, 181594, 192276, 207536, 209916, 224322, 233478, 244902, 256368, 261709, 266832, 272391, 279888, 299096, 311304, 326536, 336483, 345744, 363188, 367353, 384552, 419832, 448644, 466956, 489804, 523418, 544782, 598192, 622608, 635579, 653072, 672966, 726376, 734706, 769104, 785127, 817173, 839664, 897288, 933912, 979608, 1046836, 1089564, 1271158, 1345932, 1452752, 1469412, 1570254, 1634346, 1794576, 1867824, 1906737, 1959216, 2093672, 2179128, 2355381, 2542316, 2691864, 2938824, 3140508, 3268692, 3813474, 4187344, 4358256, 4449053, 4710762, 5084632, 5383728, 5720211, 5877648, 6281016, 6537384, 7626948, 8898106, 9421524, 10169264, 11440422, 12562032, 13074768, 13347159, 15253896, 17796212, 18843048, 22880844, 26694318, 30507792, 35592424, 37686096, 40041477, 45761688, 53388636, 71184848, 80082954, 91523376, 106777272, 160165908, 213554544, 320331816, 640663632]

約数ペア:

[(1, 640663632), (2, 320331816), (3, 213554544), (4, 160165908), (6, 106777272), (7, 91523376), (8, 80082954), (9, 71184848), (12, 53388636), (14, 45761688), (16, 40041477), (17, 37686096), (18, 35592424), (21, 30507792), (24, 26694318), (28, 22880844), (34, 18843048), (36, 17796212), (42, 15253896), (48, 13347159), (49, 13074768), (51, 12562032), (56, 11440422), (63, 10169264), (68, 9421524), (72, 8898106), (84, 7626948), (98, 6537384), (102, 6281016), (109, 5877648), (112, 5720211), (119, 5383728), (126, 5084632), (136, 4710762), (144, 4449053), (147, 4358256), (153, 4187344), (168, 3813474), (196, 3268692), (204, 3140508), (218, 2938824), (238, 2691864), (252, 2542316), (272, 2355381), (294, 2179128), (306, 2093672), (327, 1959216), (336, 1906737), (343, 1867824), (357, 1794576), (392, 1634346), (408, 1570254), (436, 1469412), (441, 1452752), (476, 1345932), (504, 1271158), (588, 1089564), (612, 1046836), (654, 979608), (686, 933912), (714, 897288), (763, 839664), (784, 817173), (816, 785127), (833, 769104), (872, 734706), (882, 726376), (952, 672966), (981, 653072), (1008, 635579), (1029, 622608), (1071, 598192), (1176, 544782), (1224, 523418), (1308, 489804), (1372, 466956), (1428, 448644), (1526, 419832), (1666, 384552), (1744, 367353), (1764, 363188), (1853, 345744), (1904, 336483), (1962, 326536), (2058, 311304), (2142, 299096), (2289, 279888), (2352, 272391), (2401, 266832), (2448, 261709), (2499, 256368), (2616, 244902), (2744, 233478), (2856, 224322), (3052, 209916), (3087, 207536), (3332, 192276), (3528, 181594), (3706, 172872), (3924, 163268), (4116, 155652), (4284, 149548), (4578, 139944), (4802, 133416), (4998, 128184), (5232, 122451), (5341, 119952), (5488, 116739), (5559, 115248), (5712, 112161), (5831, 109872), (6104, 104958), (6174, 103768), (6664, 96138), (6867, 93296), (7056, 90797), (7203, 88944), (7412, 86436), (7497, 85456), (7848, 81634), (8232, 77826), (8568, 74774), (9156, 69972), (9604, 66708), (9996, 64092), (10682, 59976), (11118, 57624), (11662, 54936), (12208, 52479), (12348, 51884), (12971, 49392), (13328, 48069), (13734, 46648), (14406, 44472), (14824, 43218), (14994, 42728), (15696, 40817), (16023, 39984), (16464, 38913), (16677, 38416), (17136, 37387), (17493, 36624), (18312, 34986), (19208, 33354), (19992, 32046), (21364, 29988), (21609, 29648), (22236, 28812), (23324, 27468), (24696, 25942)]