78939680

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1129}}^1$

素因数の和:1186

約数の個数: 96

約数和(自身を含む): 205027200

約数和(自身を除く): 126087520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 76, 80, 92, 95, 115, 152, 160, 184, 190, 230, 304, 368, 380, 437, 460, 608, 736, 760, 874, 920, 1129, 1520, 1748, 1840, 2185, 2258, 3040, 3496, 3680, 4370, 4516, 5645, 6992, 8740, 9032, 11290, 13984, 17480, 18064, 21451, 22580, 25967, 34960, 36128, 42902, 45160, 51934, 69920, 85804, 90320, 103868, 107255, 129835, 171608, 180640, 207736, 214510, 259670, 343216, 415472, 429020, 493373, 519340, 686432, 830944, 858040, 986746, 1038680, 1716080, 1973492, 2077360, 2466865, 3432160, 3946984, 4154720, 4933730, 7893968, 9867460, 15787936, 19734920, 39469840, 78939680]

約数ペア:

[(1, 78939680), (2, 39469840), (4, 19734920), (5, 15787936), (8, 9867460), (10, 7893968), (16, 4933730), (19, 4154720), (20, 3946984), (23, 3432160), (32, 2466865), (38, 2077360), (40, 1973492), (46, 1716080), (76, 1038680), (80, 986746), (92, 858040), (95, 830944), (115, 686432), (152, 519340), (160, 493373), (184, 429020), (190, 415472), (230, 343216), (304, 259670), (368, 214510), (380, 207736), (437, 180640), (460, 171608), (608, 129835), (736, 107255), (760, 103868), (874, 90320), (920, 85804), (1129, 69920), (1520, 51934), (1748, 45160), (1840, 42902), (2185, 36128), (2258, 34960), (3040, 25967), (3496, 22580), (3680, 21451), (4370, 18064), (4516, 17480), (5645, 13984), (6992, 11290), (8740, 9032)]