256857048

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8941}}^1$

素因数の和:8982

約数の個数: 128

約数和(自身を含む): 858432000

約数和(自身を除く): 601574952

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 27, 28, 36, 38, 42, 54, 56, 57, 63, 72, 76, 84, 108, 114, 126, 133, 152, 168, 171, 189, 216, 228, 252, 266, 342, 378, 399, 456, 504, 513, 532, 684, 756, 798, 1026, 1064, 1197, 1368, 1512, 1596, 2052, 2394, 3192, 3591, 4104, 4788, 7182, 8941, 9576, 14364, 17882, 26823, 28728, 35764, 53646, 62587, 71528, 80469, 107292, 125174, 160938, 169879, 187761, 214584, 241407, 250348, 321876, 339758, 375522, 482814, 500696, 509637, 563283, 643752, 679516, 751044, 965628, 1019274, 1126566, 1189153, 1359032, 1502088, 1528911, 1689849, 1931256, 2038548, 2253132, 2378306, 3057822, 3379698, 3567459, 4077096, 4506264, 4586733, 4756612, 6115644, 6759396, 7134918, 9173466, 9513224, 10702377, 12231288, 13518792, 14269836, 18346932, 21404754, 28539672, 32107131, 36693864, 42809508, 64214262, 85619016, 128428524, 256857048]

約数ペア:

[(1, 256857048), (2, 128428524), (3, 85619016), (4, 64214262), (6, 42809508), (7, 36693864), (8, 32107131), (9, 28539672), (12, 21404754), (14, 18346932), (18, 14269836), (19, 13518792), (21, 12231288), (24, 10702377), (27, 9513224), (28, 9173466), (36, 7134918), (38, 6759396), (42, 6115644), (54, 4756612), (56, 4586733), (57, 4506264), (63, 4077096), (72, 3567459), (76, 3379698), (84, 3057822), (108, 2378306), (114, 2253132), (126, 2038548), (133, 1931256), (152, 1689849), (168, 1528911), (171, 1502088), (189, 1359032), (216, 1189153), (228, 1126566), (252, 1019274), (266, 965628), (342, 751044), (378, 679516), (399, 643752), (456, 563283), (504, 509637), (513, 500696), (532, 482814), (684, 375522), (756, 339758), (798, 321876), (1026, 250348), (1064, 241407), (1197, 214584), (1368, 187761), (1512, 169879), (1596, 160938), (2052, 125174), (2394, 107292), (3192, 80469), (3591, 71528), (4104, 62587), (4788, 53646), (7182, 35764), (8941, 28728), (9576, 26823), (14364, 17882)]