71337680

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:456

約数の個数: 80

約数和(自身を含む): 173895120

約数和(自身を除く): 102557440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 97, 116, 145, 194, 232, 290, 317, 388, 464, 485, 580, 634, 776, 970, 1160, 1268, 1552, 1585, 1940, 2320, 2536, 2813, 3170, 3880, 5072, 5626, 6340, 7760, 9193, 11252, 12680, 14065, 18386, 22504, 25360, 28130, 30749, 36772, 45008, 45965, 56260, 61498, 73544, 91930, 112520, 122996, 147088, 153745, 183860, 225040, 245992, 307490, 367720, 491984, 614980, 735440, 891721, 1229960, 1783442, 2459920, 3566884, 4458605, 7133768, 8917210, 14267536, 17834420, 35668840, 71337680]

約数ペア:

[(1, 71337680), (2, 35668840), (4, 17834420), (5, 14267536), (8, 8917210), (10, 7133768), (16, 4458605), (20, 3566884), (29, 2459920), (40, 1783442), (58, 1229960), (80, 891721), (97, 735440), (116, 614980), (145, 491984), (194, 367720), (232, 307490), (290, 245992), (317, 225040), (388, 183860), (464, 153745), (485, 147088), (580, 122996), (634, 112520), (776, 91930), (970, 73544), (1160, 61498), (1268, 56260), (1552, 45965), (1585, 45008), (1940, 36772), (2320, 30749), (2536, 28130), (2813, 25360), (3170, 22504), (3880, 18386), (5072, 14065), (5626, 12680), (6340, 11252), (7760, 9193)]