641040816

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1069}}^1$

素因数の和:1155

約数の個数: 120

約数和(自身を含む): 1844517360

約数和(自身を除く): 1203476544

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 93, 104, 124, 156, 186, 208, 248, 312, 372, 403, 496, 624, 744, 806, 961, 1069, 1209, 1488, 1612, 1922, 2138, 2418, 2883, 3207, 3224, 3844, 4276, 4836, 5766, 6414, 6448, 7688, 8552, 9672, 11532, 12493, 12828, 13897, 15376, 17104, 19344, 23064, 24986, 25656, 27794, 33139, 37479, 41691, 46128, 49972, 51312, 55588, 66278, 74958, 83382, 99417, 99944, 111176, 132556, 149916, 166764, 198834, 199888, 222352, 265112, 299832, 333528, 397668, 430807, 530224, 599664, 667056, 795336, 861614, 1027309, 1292421, 1590672, 1723228, 2054618, 2584842, 3081927, 3446456, 4109236, 5169684, 6163854, 6892912, 8218472, 10339368, 12327708, 13355017, 16436944, 20678736, 24655416, 26710034, 40065051, 49310832, 53420068, 80130102, 106840136, 160260204, 213680272, 320520408, 641040816]

約数ペア:

[(1, 641040816), (2, 320520408), (3, 213680272), (4, 160260204), (6, 106840136), (8, 80130102), (12, 53420068), (13, 49310832), (16, 40065051), (24, 26710034), (26, 24655416), (31, 20678736), (39, 16436944), (48, 13355017), (52, 12327708), (62, 10339368), (78, 8218472), (93, 6892912), (104, 6163854), (124, 5169684), (156, 4109236), (186, 3446456), (208, 3081927), (248, 2584842), (312, 2054618), (372, 1723228), (403, 1590672), (496, 1292421), (624, 1027309), (744, 861614), (806, 795336), (961, 667056), (1069, 599664), (1209, 530224), (1488, 430807), (1612, 397668), (1922, 333528), (2138, 299832), (2418, 265112), (2883, 222352), (3207, 199888), (3224, 198834), (3844, 166764), (4276, 149916), (4836, 132556), (5766, 111176), (6414, 99944), (6448, 99417), (7688, 83382), (8552, 74958), (9672, 66278), (11532, 55588), (12493, 51312), (12828, 49972), (13897, 46128), (15376, 41691), (17104, 37479), (19344, 33139), (23064, 27794), (24986, 25656)]