77559920

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{331}}^1$

素因数の和:474

約数の個数: 80

約数和(自身を含む): 188961120

約数和(自身を除く): 111401200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 101, 116, 145, 202, 232, 290, 331, 404, 464, 505, 580, 662, 808, 1010, 1160, 1324, 1616, 1655, 2020, 2320, 2648, 2929, 3310, 4040, 5296, 5858, 6620, 8080, 9599, 11716, 13240, 14645, 19198, 23432, 26480, 29290, 33431, 38396, 46864, 47995, 58580, 66862, 76792, 95990, 117160, 133724, 153584, 167155, 191980, 234320, 267448, 334310, 383960, 534896, 668620, 767920, 969499, 1337240, 1938998, 2674480, 3877996, 4847495, 7755992, 9694990, 15511984, 19389980, 38779960, 77559920]

約数ペア:

[(1, 77559920), (2, 38779960), (4, 19389980), (5, 15511984), (8, 9694990), (10, 7755992), (16, 4847495), (20, 3877996), (29, 2674480), (40, 1938998), (58, 1337240), (80, 969499), (101, 767920), (116, 668620), (145, 534896), (202, 383960), (232, 334310), (290, 267448), (331, 234320), (404, 191980), (464, 167155), (505, 153584), (580, 133724), (662, 117160), (808, 95990), (1010, 76792), (1160, 66862), (1324, 58580), (1616, 47995), (1655, 46864), (2020, 38396), (2320, 33431), (2648, 29290), (2929, 26480), (3310, 23432), (4040, 19198), (5296, 14645), (5858, 13240), (6620, 11716), (8080, 9599)]