280440888

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1759}}^1$

素因数の和:1861

約数の個数: 128

約数和(自身を含む): 875212800

約数和(自身を除く): 594771912

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 73, 78, 84, 91, 104, 146, 156, 168, 182, 219, 273, 292, 312, 364, 438, 511, 546, 584, 728, 876, 949, 1022, 1092, 1533, 1752, 1759, 1898, 2044, 2184, 2847, 3066, 3518, 3796, 4088, 5277, 5694, 6132, 6643, 7036, 7592, 10554, 11388, 12264, 12313, 13286, 14072, 19929, 21108, 22776, 22867, 24626, 26572, 36939, 39858, 42216, 45734, 49252, 53144, 68601, 73878, 79716, 91468, 98504, 128407, 137202, 147756, 159432, 160069, 182936, 256814, 274404, 295512, 320138, 385221, 480207, 513628, 548808, 640276, 770442, 898849, 960414, 1027256, 1280552, 1540884, 1669291, 1797698, 1920828, 2696547, 3081768, 3338582, 3595396, 3841656, 5007873, 5393094, 6677164, 7190792, 10015746, 10786188, 11685037, 13354328, 20031492, 21572376, 23370074, 35055111, 40062984, 46740148, 70110222, 93480296, 140220444, 280440888]

約数ペア:

[(1, 280440888), (2, 140220444), (3, 93480296), (4, 70110222), (6, 46740148), (7, 40062984), (8, 35055111), (12, 23370074), (13, 21572376), (14, 20031492), (21, 13354328), (24, 11685037), (26, 10786188), (28, 10015746), (39, 7190792), (42, 6677164), (52, 5393094), (56, 5007873), (73, 3841656), (78, 3595396), (84, 3338582), (91, 3081768), (104, 2696547), (146, 1920828), (156, 1797698), (168, 1669291), (182, 1540884), (219, 1280552), (273, 1027256), (292, 960414), (312, 898849), (364, 770442), (438, 640276), (511, 548808), (546, 513628), (584, 480207), (728, 385221), (876, 320138), (949, 295512), (1022, 274404), (1092, 256814), (1533, 182936), (1752, 160069), (1759, 159432), (1898, 147756), (2044, 137202), (2184, 128407), (2847, 98504), (3066, 91468), (3518, 79716), (3796, 73878), (4088, 68601), (5277, 53144), (5694, 49252), (6132, 45734), (6643, 42216), (7036, 39858), (7592, 36939), (10554, 26572), (11388, 24626), (12264, 22867), (12313, 22776), (13286, 21108), (14072, 19929)]