73686680

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{457}}^1$

素因数の和:636

約数の個数: 64

約数和(自身を含む): 173124000

約数和(自身を除く): 99437320

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 139, 145, 232, 278, 290, 457, 556, 580, 695, 914, 1112, 1160, 1390, 1828, 2285, 2780, 3656, 4031, 4570, 5560, 8062, 9140, 13253, 16124, 18280, 20155, 26506, 32248, 40310, 53012, 63523, 66265, 80620, 106024, 127046, 132530, 161240, 254092, 265060, 317615, 508184, 530120, 635230, 1270460, 1842167, 2540920, 3684334, 7368668, 9210835, 14737336, 18421670, 36843340, 73686680]

約数ペア:

[(1, 73686680), (2, 36843340), (4, 18421670), (5, 14737336), (8, 9210835), (10, 7368668), (20, 3684334), (29, 2540920), (40, 1842167), (58, 1270460), (116, 635230), (139, 530120), (145, 508184), (232, 317615), (278, 265060), (290, 254092), (457, 161240), (556, 132530), (580, 127046), (695, 106024), (914, 80620), (1112, 66265), (1160, 63523), (1390, 53012), (1828, 40310), (2285, 32248), (2780, 26506), (3656, 20155), (4031, 18280), (4570, 16124), (5560, 13253), (8062, 9140)]