256153248

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2207}}^1$

素因数の和:2267

約数の個数: 144

約数和(自身を含む): 810141696

約数和(自身を除く): 553988448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 31, 32, 36, 39, 48, 52, 62, 72, 78, 93, 96, 104, 117, 124, 144, 156, 186, 208, 234, 248, 279, 288, 312, 372, 403, 416, 468, 496, 558, 624, 744, 806, 936, 992, 1116, 1209, 1248, 1488, 1612, 1872, 2207, 2232, 2418, 2976, 3224, 3627, 3744, 4414, 4464, 4836, 6448, 6621, 7254, 8828, 8928, 9672, 12896, 13242, 14508, 17656, 19344, 19863, 26484, 28691, 29016, 35312, 38688, 39726, 52968, 57382, 58032, 68417, 70624, 79452, 86073, 105936, 114764, 116064, 136834, 158904, 172146, 205251, 211872, 229528, 258219, 273668, 317808, 344292, 410502, 459056, 516438, 547336, 615753, 635616, 688584, 821004, 889421, 918112, 1032876, 1094672, 1231506, 1377168, 1642008, 1778842, 2065752, 2189344, 2463012, 2668263, 2754336, 3284016, 3557684, 4131504, 4926024, 5336526, 6568032, 7115368, 8004789, 8263008, 9852048, 10673052, 14230736, 16009578, 19704096, 21346104, 28461472, 32019156, 42692208, 64038312, 85384416, 128076624, 256153248]

約数ペア:

[(1, 256153248), (2, 128076624), (3, 85384416), (4, 64038312), (6, 42692208), (8, 32019156), (9, 28461472), (12, 21346104), (13, 19704096), (16, 16009578), (18, 14230736), (24, 10673052), (26, 9852048), (31, 8263008), (32, 8004789), (36, 7115368), (39, 6568032), (48, 5336526), (52, 4926024), (62, 4131504), (72, 3557684), (78, 3284016), (93, 2754336), (96, 2668263), (104, 2463012), (117, 2189344), (124, 2065752), (144, 1778842), (156, 1642008), (186, 1377168), (208, 1231506), (234, 1094672), (248, 1032876), (279, 918112), (288, 889421), (312, 821004), (372, 688584), (403, 635616), (416, 615753), (468, 547336), (496, 516438), (558, 459056), (624, 410502), (744, 344292), (806, 317808), (936, 273668), (992, 258219), (1116, 229528), (1209, 211872), (1248, 205251), (1488, 172146), (1612, 158904), (1872, 136834), (2207, 116064), (2232, 114764), (2418, 105936), (2976, 86073), (3224, 79452), (3627, 70624), (3744, 68417), (4414, 58032), (4464, 57382), (4836, 52968), (6448, 39726), (6621, 38688), (7254, 35312), (8828, 29016), (8928, 28691), (9672, 26484), (12896, 19863), (13242, 19344), (14508, 17656)]