81355776

素因数分解:

$2^{10}\times 3^1\times {\mathrm{71}}^1\times {\mathrm{373}}^1$

素因数の和:467

約数の個数: 88

約数和(自身を含む): 220486464

約数和(自身を除く): 139130688

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 71, 96, 128, 142, 192, 213, 256, 284, 373, 384, 426, 512, 568, 746, 768, 852, 1024, 1119, 1136, 1492, 1536, 1704, 2238, 2272, 2984, 3072, 3408, 4476, 4544, 5968, 6816, 8952, 9088, 11936, 13632, 17904, 18176, 23872, 26483, 27264, 35808, 36352, 47744, 52966, 54528, 71616, 72704, 79449, 95488, 105932, 109056, 143232, 158898, 190976, 211864, 218112, 286464, 317796, 381952, 423728, 572928, 635592, 847456, 1145856, 1271184, 1694912, 2542368, 3389824, 5084736, 6779648, 10169472, 13559296, 20338944, 27118592, 40677888, 81355776]

約数ペア:

[(1, 81355776), (2, 40677888), (3, 27118592), (4, 20338944), (6, 13559296), (8, 10169472), (12, 6779648), (16, 5084736), (24, 3389824), (32, 2542368), (48, 1694912), (64, 1271184), (71, 1145856), (96, 847456), (128, 635592), (142, 572928), (192, 423728), (213, 381952), (256, 317796), (284, 286464), (373, 218112), (384, 211864), (426, 190976), (512, 158898), (568, 143232), (746, 109056), (768, 105932), (852, 95488), (1024, 79449), (1119, 72704), (1136, 71616), (1492, 54528), (1536, 52966), (1704, 47744), (2238, 36352), (2272, 35808), (2984, 27264), (3072, 26483), (3408, 23872), (4476, 18176), (4544, 17904), (5968, 13632), (6816, 11936), (8952, 9088)]