128678784

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:352

約数の個数: 128

約数和(自身を含む): 372708000

約数和(自身を除く): 244029216

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 149, 156, 173, 192, 208, 298, 312, 346, 384, 416, 447, 519, 596, 624, 692, 832, 894, 1038, 1192, 1248, 1384, 1664, 1788, 1937, 2076, 2249, 2384, 2496, 2768, 3576, 3874, 4152, 4498, 4768, 4992, 5536, 5811, 6747, 7152, 7748, 8304, 8996, 9536, 11072, 11622, 13494, 14304, 15496, 16608, 17992, 19072, 22144, 23244, 25777, 26988, 28608, 30992, 33216, 35984, 46488, 51554, 53976, 57216, 61984, 66432, 71968, 77331, 92976, 103108, 107952, 123968, 143936, 154662, 185952, 206216, 215904, 247936, 287872, 309324, 335101, 371904, 412432, 431808, 618648, 670202, 743808, 824864, 863616, 1005303, 1237296, 1340404, 1649728, 2010606, 2474592, 2680808, 3299456, 4021212, 4949184, 5361616, 8042424, 9898368, 10723232, 16084848, 21446464, 32169696, 42892928, 64339392, 128678784]

約数ペア:

[(1, 128678784), (2, 64339392), (3, 42892928), (4, 32169696), (6, 21446464), (8, 16084848), (12, 10723232), (13, 9898368), (16, 8042424), (24, 5361616), (26, 4949184), (32, 4021212), (39, 3299456), (48, 2680808), (52, 2474592), (64, 2010606), (78, 1649728), (96, 1340404), (104, 1237296), (128, 1005303), (149, 863616), (156, 824864), (173, 743808), (192, 670202), (208, 618648), (298, 431808), (312, 412432), (346, 371904), (384, 335101), (416, 309324), (447, 287872), (519, 247936), (596, 215904), (624, 206216), (692, 185952), (832, 154662), (894, 143936), (1038, 123968), (1192, 107952), (1248, 103108), (1384, 92976), (1664, 77331), (1788, 71968), (1937, 66432), (2076, 61984), (2249, 57216), (2384, 53976), (2496, 51554), (2768, 46488), (3576, 35984), (3874, 33216), (4152, 30992), (4498, 28608), (4768, 26988), (4992, 25777), (5536, 23244), (5811, 22144), (6747, 19072), (7152, 17992), (7748, 16608), (8304, 15496), (8996, 14304), (9536, 13494), (11072, 11622)]