2720275792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^3\times {\mathrm{439}}^1$

素因数の和:553

約数の個数: 80

約数和(自身を含む): 5878512640

約数和(自身を除く): 3158236848

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 439, 496, 806, 878, 961, 1612, 1756, 1922, 3224, 3512, 3844, 5707, 6448, 7024, 7688, 11414, 12493, 13609, 15376, 22828, 24986, 27218, 29791, 45656, 49972, 54436, 59582, 91312, 99944, 108872, 119164, 176917, 199888, 217744, 238328, 353834, 387283, 421879, 476656, 707668, 774566, 843758, 1415336, 1549132, 1687516, 2830672, 3098264, 3375032, 5484427, 6196528, 6750064, 10968854, 13078249, 21937708, 26156498, 43875416, 52312996, 87750832, 104625992, 170017237, 209251984, 340034474, 680068948, 1360137896, 2720275792]

約数ペア:

[(1, 2720275792), (2, 1360137896), (4, 680068948), (8, 340034474), (13, 209251984), (16, 170017237), (26, 104625992), (31, 87750832), (52, 52312996), (62, 43875416), (104, 26156498), (124, 21937708), (208, 13078249), (248, 10968854), (403, 6750064), (439, 6196528), (496, 5484427), (806, 3375032), (878, 3098264), (961, 2830672), (1612, 1687516), (1756, 1549132), (1922, 1415336), (3224, 843758), (3512, 774566), (3844, 707668), (5707, 476656), (6448, 421879), (7024, 387283), (7688, 353834), (11414, 238328), (12493, 217744), (13609, 199888), (15376, 176917), (22828, 119164), (24986, 108872), (27218, 99944), (29791, 91312), (45656, 59582), (49972, 54436)]