67876240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1721}}^1$

素因数の和:1780

約数の個数: 80

約数和(自身を含む): 172957680

約数和(自身を除く): 105081440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 58, 68, 80, 85, 116, 136, 145, 170, 232, 272, 290, 340, 464, 493, 580, 680, 986, 1160, 1360, 1721, 1972, 2320, 2465, 3442, 3944, 4930, 6884, 7888, 8605, 9860, 13768, 17210, 19720, 27536, 29257, 34420, 39440, 49909, 58514, 68840, 99818, 117028, 137680, 146285, 199636, 234056, 249545, 292570, 399272, 468112, 499090, 585140, 798544, 848453, 998180, 1170280, 1696906, 1996360, 2340560, 3393812, 3992720, 4242265, 6787624, 8484530, 13575248, 16969060, 33938120, 67876240]

約数ペア:

[(1, 67876240), (2, 33938120), (4, 16969060), (5, 13575248), (8, 8484530), (10, 6787624), (16, 4242265), (17, 3992720), (20, 3393812), (29, 2340560), (34, 1996360), (40, 1696906), (58, 1170280), (68, 998180), (80, 848453), (85, 798544), (116, 585140), (136, 499090), (145, 468112), (170, 399272), (232, 292570), (272, 249545), (290, 234056), (340, 199636), (464, 146285), (493, 137680), (580, 117028), (680, 99818), (986, 68840), (1160, 58514), (1360, 49909), (1721, 39440), (1972, 34420), (2320, 29257), (2465, 27536), (3442, 19720), (3944, 17210), (4930, 13768), (6884, 9860), (7888, 8605)]