640334352

素因数分解:

$2^4\times 3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:163

約数の個数: 320

約数和(自身を含む): 2142720000

約数和(自身を除く): 1502385648

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 23, 24, 28, 38, 42, 46, 48, 49, 56, 57, 69, 76, 84, 89, 92, 98, 112, 114, 133, 138, 147, 152, 161, 168, 178, 184, 196, 228, 266, 267, 276, 294, 304, 322, 336, 343, 356, 368, 392, 399, 437, 456, 483, 532, 534, 552, 588, 623, 644, 686, 712, 784, 798, 874, 912, 931, 966, 1029, 1064, 1068, 1104, 1127, 1176, 1246, 1288, 1311, 1372, 1424, 1596, 1691, 1748, 1862, 1869, 1932, 2047, 2058, 2128, 2136, 2254, 2352, 2492, 2576, 2622, 2744, 2793, 3059, 3192, 3381, 3382, 3496, 3724, 3738, 3864, 4094, 4116, 4272, 4361, 4508, 4984, 5073, 5244, 5488, 5586, 6118, 6141, 6384, 6517, 6762, 6764, 6992, 7448, 7476, 7728, 7889, 8188, 8232, 8722, 9016, 9177, 9968, 10146, 10488, 11172, 11837, 12236, 12282, 13034, 13083, 13524, 13528, 14329, 14896, 14952, 15778, 16376, 16464, 17444, 18032, 18354, 19551, 20292, 20976, 21413, 22344, 23667, 23674, 24472, 24564, 26068, 26166, 27048, 27056, 28658, 29904, 30527, 31556, 32752, 34888, 35511, 36708, 38893, 39102, 40584, 42826, 42987, 44688, 47334, 47348, 48944, 49128, 52136, 52332, 54096, 57316, 61054, 63112, 64239, 69776, 71022, 73416, 77786, 78204, 81168, 82859, 85652, 85974, 91581, 94668, 94696, 98256, 100303, 104272, 104664, 114632, 116679, 122108, 126224, 128478, 142044, 146832, 149891, 155572, 156408, 165718, 171304, 171948, 183162, 189336, 189392, 200606, 209328, 229264, 233358, 244216, 248577, 256956, 272251, 284088, 299782, 300909, 311144, 312816, 331436, 342608, 343896, 366324, 378672, 401212, 449673, 466716, 488432, 497154, 513912, 544502, 568176, 580013, 599564, 601818, 622288, 662872, 687792, 702121, 732648, 802424, 816753, 899346, 933432, 994308, 1027824, 1089004, 1160026, 1199128, 1203636, 1325744, 1404242, 1465296, 1604848, 1633506, 1740039, 1798692, 1866864, 1905757, 1988616, 2106363, 2178008, 2320052, 2398256, 2407272, 2808484, 3267012, 3480078, 3597384, 3811514, 3977232, 4212726, 4356016, 4640104, 4814544, 5616968, 5717271, 6534024, 6960156, 7194768, 7623028, 8425452, 9280208, 11233936, 11434542, 13068048, 13340299, 13920312, 15246056, 16850904, 22869084, 26680598, 27840624, 30492112, 33701808, 40020897, 45738168, 53361196, 80041794, 91476336, 106722392, 160083588, 213444784, 320167176, 640334352]

約数ペア:

[(1, 640334352), (2, 320167176), (3, 213444784), (4, 160083588), (6, 106722392), (7, 91476336), (8, 80041794), (12, 53361196), (14, 45738168), (16, 40020897), (19, 33701808), (21, 30492112), (23, 27840624), (24, 26680598), (28, 22869084), (38, 16850904), (42, 15246056), (46, 13920312), (48, 13340299), (49, 13068048), (56, 11434542), (57, 11233936), (69, 9280208), (76, 8425452), (84, 7623028), (89, 7194768), (92, 6960156), (98, 6534024), (112, 5717271), (114, 5616968), (133, 4814544), (138, 4640104), (147, 4356016), (152, 4212726), (161, 3977232), (168, 3811514), (178, 3597384), (184, 3480078), (196, 3267012), (228, 2808484), (266, 2407272), (267, 2398256), (276, 2320052), (294, 2178008), (304, 2106363), (322, 1988616), (336, 1905757), (343, 1866864), (356, 1798692), (368, 1740039), (392, 1633506), (399, 1604848), (437, 1465296), (456, 1404242), (483, 1325744), (532, 1203636), (534, 1199128), (552, 1160026), (588, 1089004), (623, 1027824), (644, 994308), (686, 933432), (712, 899346), (784, 816753), (798, 802424), (874, 732648), (912, 702121), (931, 687792), (966, 662872), (1029, 622288), (1064, 601818), (1068, 599564), (1104, 580013), (1127, 568176), (1176, 544502), (1246, 513912), (1288, 497154), (1311, 488432), (1372, 466716), (1424, 449673), (1596, 401212), (1691, 378672), (1748, 366324), (1862, 343896), (1869, 342608), (1932, 331436), (2047, 312816), (2058, 311144), (2128, 300909), (2136, 299782), (2254, 284088), (2352, 272251), (2492, 256956), (2576, 248577), (2622, 244216), (2744, 233358), (2793, 229264), (3059, 209328), (3192, 200606), (3381, 189392), (3382, 189336), (3496, 183162), (3724, 171948), (3738, 171304), (3864, 165718), (4094, 156408), (4116, 155572), (4272, 149891), (4361, 146832), (4508, 142044), (4984, 128478), (5073, 126224), (5244, 122108), (5488, 116679), (5586, 114632), (6118, 104664), (6141, 104272), (6384, 100303), (6517, 98256), (6762, 94696), (6764, 94668), (6992, 91581), (7448, 85974), (7476, 85652), (7728, 82859), (7889, 81168), (8188, 78204), (8232, 77786), (8722, 73416), (9016, 71022), (9177, 69776), (9968, 64239), (10146, 63112), (10488, 61054), (11172, 57316), (11837, 54096), (12236, 52332), (12282, 52136), (13034, 49128), (13083, 48944), (13524, 47348), (13528, 47334), (14329, 44688), (14896, 42987), (14952, 42826), (15778, 40584), (16376, 39102), (16464, 38893), (17444, 36708), (18032, 35511), (18354, 34888), (19551, 32752), (20292, 31556), (20976, 30527), (21413, 29904), (22344, 28658), (23667, 27056), (23674, 27048), (24472, 26166), (24564, 26068)]