639395904

素因数分解:

$2^6\times 3^1\times 7^4\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:135

約数の個数: 280

約数和(自身を含む): 2105903840

約数和(自身を除く): 1466507936

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 49, 56, 57, 64, 73, 76, 84, 96, 98, 112, 114, 133, 146, 147, 152, 168, 192, 196, 219, 224, 228, 266, 292, 294, 304, 336, 343, 392, 399, 438, 448, 456, 511, 532, 584, 588, 608, 672, 686, 784, 798, 876, 912, 931, 1022, 1029, 1064, 1168, 1176, 1216, 1344, 1372, 1387, 1533, 1568, 1596, 1752, 1824, 1862, 2044, 2058, 2128, 2336, 2352, 2401, 2744, 2774, 2793, 3066, 3136, 3192, 3504, 3577, 3648, 3724, 4088, 4116, 4161, 4256, 4672, 4704, 4802, 5488, 5548, 5586, 6132, 6384, 6517, 7008, 7154, 7203, 7448, 8176, 8232, 8322, 8512, 9408, 9604, 9709, 10731, 10976, 11096, 11172, 12264, 12768, 13034, 14016, 14308, 14406, 14896, 16352, 16464, 16644, 19208, 19418, 19551, 21462, 21952, 22192, 22344, 24528, 25039, 25536, 26068, 28616, 28812, 29127, 29792, 32704, 32928, 33288, 38416, 38836, 39102, 42924, 44384, 44688, 45619, 49056, 50078, 52136, 57232, 57624, 58254, 59584, 65856, 66576, 67963, 75117, 76832, 77672, 78204, 85848, 88768, 89376, 91238, 98112, 100156, 104272, 114464, 115248, 116508, 133152, 135926, 136857, 150234, 153664, 155344, 156408, 171696, 175273, 178752, 182476, 200312, 203889, 208544, 228928, 230496, 233016, 266304, 271852, 273714, 300468, 310688, 312816, 343392, 350546, 364952, 400624, 407778, 417088, 460992, 466032, 475741, 525819, 543704, 547428, 600936, 621376, 625632, 686784, 701092, 729904, 801248, 815556, 932064, 951482, 1051638, 1087408, 1094856, 1201872, 1251264, 1402184, 1427223, 1459808, 1602496, 1631112, 1864128, 1902964, 2103276, 2174816, 2189712, 2403744, 2804368, 2854446, 2919616, 3262224, 3330187, 3805928, 4206552, 4349632, 4379424, 4807488, 5608736, 5708892, 6524448, 6660374, 7611856, 8413104, 8758848, 9990561, 11217472, 11417784, 13048896, 13320748, 15223712, 16826208, 19981122, 22835568, 26641496, 30447424, 33652416, 39962244, 45671136, 53282992, 79924488, 91342272, 106565984, 159848976, 213131968, 319697952, 639395904]

約数ペア:

[(1, 639395904), (2, 319697952), (3, 213131968), (4, 159848976), (6, 106565984), (7, 91342272), (8, 79924488), (12, 53282992), (14, 45671136), (16, 39962244), (19, 33652416), (21, 30447424), (24, 26641496), (28, 22835568), (32, 19981122), (38, 16826208), (42, 15223712), (48, 13320748), (49, 13048896), (56, 11417784), (57, 11217472), (64, 9990561), (73, 8758848), (76, 8413104), (84, 7611856), (96, 6660374), (98, 6524448), (112, 5708892), (114, 5608736), (133, 4807488), (146, 4379424), (147, 4349632), (152, 4206552), (168, 3805928), (192, 3330187), (196, 3262224), (219, 2919616), (224, 2854446), (228, 2804368), (266, 2403744), (292, 2189712), (294, 2174816), (304, 2103276), (336, 1902964), (343, 1864128), (392, 1631112), (399, 1602496), (438, 1459808), (448, 1427223), (456, 1402184), (511, 1251264), (532, 1201872), (584, 1094856), (588, 1087408), (608, 1051638), (672, 951482), (686, 932064), (784, 815556), (798, 801248), (876, 729904), (912, 701092), (931, 686784), (1022, 625632), (1029, 621376), (1064, 600936), (1168, 547428), (1176, 543704), (1216, 525819), (1344, 475741), (1372, 466032), (1387, 460992), (1533, 417088), (1568, 407778), (1596, 400624), (1752, 364952), (1824, 350546), (1862, 343392), (2044, 312816), (2058, 310688), (2128, 300468), (2336, 273714), (2352, 271852), (2401, 266304), (2744, 233016), (2774, 230496), (2793, 228928), (3066, 208544), (3136, 203889), (3192, 200312), (3504, 182476), (3577, 178752), (3648, 175273), (3724, 171696), (4088, 156408), (4116, 155344), (4161, 153664), (4256, 150234), (4672, 136857), (4704, 135926), (4802, 133152), (5488, 116508), (5548, 115248), (5586, 114464), (6132, 104272), (6384, 100156), (6517, 98112), (7008, 91238), (7154, 89376), (7203, 88768), (7448, 85848), (8176, 78204), (8232, 77672), (8322, 76832), (8512, 75117), (9408, 67963), (9604, 66576), (9709, 65856), (10731, 59584), (10976, 58254), (11096, 57624), (11172, 57232), (12264, 52136), (12768, 50078), (13034, 49056), (14016, 45619), (14308, 44688), (14406, 44384), (14896, 42924), (16352, 39102), (16464, 38836), (16644, 38416), (19208, 33288), (19418, 32928), (19551, 32704), (21462, 29792), (21952, 29127), (22192, 28812), (22344, 28616), (24528, 26068), (25039, 25536)]