81179904

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 239000832

約数和(自身を除く): 157820928

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 47, 48, 52, 64, 78, 94, 96, 104, 128, 141, 156, 173, 188, 192, 208, 256, 282, 312, 346, 376, 384, 416, 519, 564, 611, 624, 692, 752, 768, 832, 1038, 1128, 1222, 1248, 1384, 1504, 1664, 1833, 2076, 2249, 2256, 2444, 2496, 2768, 3008, 3328, 3666, 4152, 4498, 4512, 4888, 4992, 5536, 6016, 6747, 7332, 8131, 8304, 8996, 9024, 9776, 9984, 11072, 12032, 13494, 14664, 16262, 16608, 17992, 18048, 19552, 22144, 24393, 26988, 29328, 32524, 33216, 35984, 36096, 39104, 44288, 48786, 53976, 58656, 65048, 66432, 71968, 78208, 97572, 105703, 107952, 117312, 130096, 132864, 143936, 156416, 195144, 211406, 215904, 234624, 260192, 287872, 317109, 390288, 422812, 431808, 469248, 520384, 575744, 634218, 780576, 845624, 863616, 1040768, 1268436, 1561152, 1691248, 1727232, 2081536, 2536872, 3122304, 3382496, 5073744, 6244608, 6764992, 10147488, 13529984, 20294976, 27059968, 40589952, 81179904]

約数ペア:

[(1, 81179904), (2, 40589952), (3, 27059968), (4, 20294976), (6, 13529984), (8, 10147488), (12, 6764992), (13, 6244608), (16, 5073744), (24, 3382496), (26, 3122304), (32, 2536872), (39, 2081536), (47, 1727232), (48, 1691248), (52, 1561152), (64, 1268436), (78, 1040768), (94, 863616), (96, 845624), (104, 780576), (128, 634218), (141, 575744), (156, 520384), (173, 469248), (188, 431808), (192, 422812), (208, 390288), (256, 317109), (282, 287872), (312, 260192), (346, 234624), (376, 215904), (384, 211406), (416, 195144), (519, 156416), (564, 143936), (611, 132864), (624, 130096), (692, 117312), (752, 107952), (768, 105703), (832, 97572), (1038, 78208), (1128, 71968), (1222, 66432), (1248, 65048), (1384, 58656), (1504, 53976), (1664, 48786), (1833, 44288), (2076, 39104), (2249, 36096), (2256, 35984), (2444, 33216), (2496, 32524), (2768, 29328), (3008, 26988), (3328, 24393), (3666, 22144), (4152, 19552), (4498, 18048), (4512, 17992), (4888, 16608), (4992, 16262), (5536, 14664), (6016, 13494), (6747, 12032), (7332, 11072), (8131, 9984), (8304, 9776), (8996, 9024)]