639856896

素因数分解:

$2^8\times 3^1\times 7^4\times {\mathrm{347}}^1$

素因数の和:394

約数の個数: 180

約数和(自身を含む): 1992384912

約数和(自身を除く): 1352528016

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 128, 147, 168, 192, 196, 224, 256, 294, 336, 343, 347, 384, 392, 448, 588, 672, 686, 694, 768, 784, 896, 1029, 1041, 1176, 1344, 1372, 1388, 1568, 1792, 2058, 2082, 2352, 2401, 2429, 2688, 2744, 2776, 3136, 4116, 4164, 4704, 4802, 4858, 5376, 5488, 5552, 6272, 7203, 7287, 8232, 8328, 9408, 9604, 9716, 10976, 11104, 12544, 14406, 14574, 16464, 16656, 17003, 18816, 19208, 19432, 21952, 22208, 28812, 29148, 32928, 33312, 34006, 37632, 38416, 38864, 43904, 44416, 51009, 57624, 58296, 65856, 66624, 68012, 76832, 77728, 87808, 88832, 102018, 115248, 116592, 119021, 131712, 133248, 136024, 153664, 155456, 204036, 230496, 233184, 238042, 263424, 266496, 272048, 307328, 310912, 357063, 408072, 460992, 466368, 476084, 544096, 614656, 621824, 714126, 816144, 833147, 921984, 932736, 952168, 1088192, 1428252, 1632288, 1666294, 1843968, 1865472, 1904336, 2176384, 2499441, 2856504, 3264576, 3332588, 3808672, 4352768, 4998882, 5713008, 6529152, 6665176, 7617344, 9997764, 11426016, 13058304, 13330352, 15234688, 19995528, 22852032, 26660704, 30469376, 39991056, 45704064, 53321408, 79982112, 91408128, 106642816, 159964224, 213285632, 319928448, 639856896]

約数ペア:

[(1, 639856896), (2, 319928448), (3, 213285632), (4, 159964224), (6, 106642816), (7, 91408128), (8, 79982112), (12, 53321408), (14, 45704064), (16, 39991056), (21, 30469376), (24, 26660704), (28, 22852032), (32, 19995528), (42, 15234688), (48, 13330352), (49, 13058304), (56, 11426016), (64, 9997764), (84, 7617344), (96, 6665176), (98, 6529152), (112, 5713008), (128, 4998882), (147, 4352768), (168, 3808672), (192, 3332588), (196, 3264576), (224, 2856504), (256, 2499441), (294, 2176384), (336, 1904336), (343, 1865472), (347, 1843968), (384, 1666294), (392, 1632288), (448, 1428252), (588, 1088192), (672, 952168), (686, 932736), (694, 921984), (768, 833147), (784, 816144), (896, 714126), (1029, 621824), (1041, 614656), (1176, 544096), (1344, 476084), (1372, 466368), (1388, 460992), (1568, 408072), (1792, 357063), (2058, 310912), (2082, 307328), (2352, 272048), (2401, 266496), (2429, 263424), (2688, 238042), (2744, 233184), (2776, 230496), (3136, 204036), (4116, 155456), (4164, 153664), (4704, 136024), (4802, 133248), (4858, 131712), (5376, 119021), (5488, 116592), (5552, 115248), (6272, 102018), (7203, 88832), (7287, 87808), (8232, 77728), (8328, 76832), (9408, 68012), (9604, 66624), (9716, 65856), (10976, 58296), (11104, 57624), (12544, 51009), (14406, 44416), (14574, 43904), (16464, 38864), (16656, 38416), (17003, 37632), (18816, 34006), (19208, 33312), (19432, 32928), (21952, 29148), (22208, 28812)]