642296760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{5501}}^1$

素因数の和:5661

約数の個数: 128

約数和(自身を含む): 2218406400

約数和(自身を除く): 1576109640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 139, 140, 168, 210, 278, 280, 417, 420, 556, 695, 834, 840, 973, 1112, 1390, 1668, 1946, 2085, 2780, 2919, 3336, 3892, 4170, 4865, 5501, 5560, 5838, 7784, 8340, 9730, 11002, 11676, 14595, 16503, 16680, 19460, 22004, 23352, 27505, 29190, 33006, 38507, 38920, 44008, 55010, 58380, 66012, 77014, 82515, 110020, 115521, 116760, 132024, 154028, 165030, 192535, 220040, 231042, 308056, 330060, 385070, 462084, 577605, 660120, 764639, 770140, 924168, 1155210, 1529278, 1540280, 2293917, 2310420, 3058556, 3823195, 4587834, 4620840, 5352473, 6117112, 7646390, 9175668, 10704946, 11469585, 15292780, 16057419, 18351336, 21409892, 22939170, 26762365, 30585560, 32114838, 42819784, 45878340, 53524730, 64229676, 80287095, 91756680, 107049460, 128459352, 160574190, 214098920, 321148380, 642296760]

約数ペア:

[(1, 642296760), (2, 321148380), (3, 214098920), (4, 160574190), (5, 128459352), (6, 107049460), (7, 91756680), (8, 80287095), (10, 64229676), (12, 53524730), (14, 45878340), (15, 42819784), (20, 32114838), (21, 30585560), (24, 26762365), (28, 22939170), (30, 21409892), (35, 18351336), (40, 16057419), (42, 15292780), (56, 11469585), (60, 10704946), (70, 9175668), (84, 7646390), (105, 6117112), (120, 5352473), (139, 4620840), (140, 4587834), (168, 3823195), (210, 3058556), (278, 2310420), (280, 2293917), (417, 1540280), (420, 1529278), (556, 1155210), (695, 924168), (834, 770140), (840, 764639), (973, 660120), (1112, 577605), (1390, 462084), (1668, 385070), (1946, 330060), (2085, 308056), (2780, 231042), (2919, 220040), (3336, 192535), (3892, 165030), (4170, 154028), (4865, 132024), (5501, 116760), (5560, 115521), (5838, 110020), (7784, 82515), (8340, 77014), (9730, 66012), (11002, 58380), (11676, 55010), (14595, 44008), (16503, 38920), (16680, 38507), (19460, 33006), (22004, 29190), (23352, 27505)]