256998768

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2963}}^1$

素因数の和:3126

約数の個数: 80

約数和(自身を含む): 720370560

約数和(自身を除く): 463371792

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 139, 156, 208, 278, 312, 417, 556, 624, 834, 1112, 1668, 1807, 2224, 2963, 3336, 3614, 5421, 5926, 6672, 7228, 8889, 10842, 11852, 14456, 17778, 21684, 23704, 28912, 35556, 38519, 43368, 47408, 71112, 77038, 86736, 115557, 142224, 154076, 231114, 308152, 411857, 462228, 616304, 823714, 924456, 1235571, 1647428, 1848912, 2471142, 3294856, 4942284, 5354141, 6589712, 9884568, 10708282, 16062423, 19769136, 21416564, 32124846, 42833128, 64249692, 85666256, 128499384, 256998768]

約数ペア:

[(1, 256998768), (2, 128499384), (3, 85666256), (4, 64249692), (6, 42833128), (8, 32124846), (12, 21416564), (13, 19769136), (16, 16062423), (24, 10708282), (26, 9884568), (39, 6589712), (48, 5354141), (52, 4942284), (78, 3294856), (104, 2471142), (139, 1848912), (156, 1647428), (208, 1235571), (278, 924456), (312, 823714), (417, 616304), (556, 462228), (624, 411857), (834, 308152), (1112, 231114), (1668, 154076), (1807, 142224), (2224, 115557), (2963, 86736), (3336, 77038), (3614, 71112), (5421, 47408), (5926, 43368), (6672, 38519), (7228, 35556), (8889, 28912), (10842, 23704), (11852, 21684), (14456, 17778)]