74279440

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{317}}^1$

素因数の和:460

約数の個数: 80

約数和(自身を含む): 180992880

約数和(自身を除く): 106713440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 101, 116, 145, 202, 232, 290, 317, 404, 464, 505, 580, 634, 808, 1010, 1160, 1268, 1585, 1616, 2020, 2320, 2536, 2929, 3170, 4040, 5072, 5858, 6340, 8080, 9193, 11716, 12680, 14645, 18386, 23432, 25360, 29290, 32017, 36772, 45965, 46864, 58580, 64034, 73544, 91930, 117160, 128068, 147088, 160085, 183860, 234320, 256136, 320170, 367720, 512272, 640340, 735440, 928493, 1280680, 1856986, 2561360, 3713972, 4642465, 7427944, 9284930, 14855888, 18569860, 37139720, 74279440]

約数ペア:

[(1, 74279440), (2, 37139720), (4, 18569860), (5, 14855888), (8, 9284930), (10, 7427944), (16, 4642465), (20, 3713972), (29, 2561360), (40, 1856986), (58, 1280680), (80, 928493), (101, 735440), (116, 640340), (145, 512272), (202, 367720), (232, 320170), (290, 256136), (317, 234320), (404, 183860), (464, 160085), (505, 147088), (580, 128068), (634, 117160), (808, 91930), (1010, 73544), (1160, 64034), (1268, 58580), (1585, 46864), (1616, 45965), (2020, 36772), (2320, 32017), (2536, 29290), (2929, 25360), (3170, 23432), (4040, 18386), (5072, 14645), (5858, 12680), (6340, 11716), (8080, 9193)]