81875760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3517}}^1$

素因数の和:3630

約数の個数: 80

約数和(自身を含む): 256504416

約数和(自身を除く): 174628656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 97, 120, 194, 240, 291, 388, 485, 582, 776, 970, 1164, 1455, 1552, 1940, 2328, 2910, 3517, 3880, 4656, 5820, 7034, 7760, 10551, 11640, 14068, 17585, 21102, 23280, 28136, 35170, 42204, 52755, 56272, 70340, 84408, 105510, 140680, 168816, 211020, 281360, 341149, 422040, 682298, 844080, 1023447, 1364596, 1705745, 2046894, 2729192, 3411490, 4093788, 5117235, 5458384, 6822980, 8187576, 10234470, 13645960, 16375152, 20468940, 27291920, 40937880, 81875760]

約数ペア:

[(1, 81875760), (2, 40937880), (3, 27291920), (4, 20468940), (5, 16375152), (6, 13645960), (8, 10234470), (10, 8187576), (12, 6822980), (15, 5458384), (16, 5117235), (20, 4093788), (24, 3411490), (30, 2729192), (40, 2046894), (48, 1705745), (60, 1364596), (80, 1023447), (97, 844080), (120, 682298), (194, 422040), (240, 341149), (291, 281360), (388, 211020), (485, 168816), (582, 140680), (776, 105510), (970, 84408), (1164, 70340), (1455, 56272), (1552, 52755), (1940, 42204), (2328, 35170), (2910, 28136), (3517, 23280), (3880, 21102), (4656, 17585), (5820, 14068), (7034, 11640), (7760, 10551)]