279682760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{317}}^1$

素因数の和:495

約数の個数: 128

約数和(自身を含む): 758315520

約数和(自身を除く): 478632760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 137, 140, 161, 184, 230, 274, 280, 317, 322, 460, 548, 634, 644, 685, 805, 920, 959, 1096, 1268, 1288, 1370, 1585, 1610, 1918, 2219, 2536, 2740, 3151, 3170, 3220, 3836, 4438, 4795, 5480, 6302, 6340, 6440, 7291, 7672, 8876, 9590, 11095, 12604, 12680, 14582, 15755, 17752, 19180, 22057, 22190, 25208, 29164, 31510, 36455, 38360, 43429, 44114, 44380, 51037, 58328, 63020, 72910, 86858, 88228, 88760, 102074, 110285, 126040, 145820, 173716, 176456, 204148, 217145, 220570, 255185, 291640, 304003, 347432, 408296, 434290, 441140, 510370, 608006, 868580, 882280, 998867, 1020740, 1216012, 1520015, 1737160, 1997734, 2041480, 2432024, 3040030, 3995468, 4994335, 6080060, 6992069, 7990936, 9988670, 12160120, 13984138, 19977340, 27968276, 34960345, 39954680, 55936552, 69920690, 139841380, 279682760]

約数ペア:

[(1, 279682760), (2, 139841380), (4, 69920690), (5, 55936552), (7, 39954680), (8, 34960345), (10, 27968276), (14, 19977340), (20, 13984138), (23, 12160120), (28, 9988670), (35, 7990936), (40, 6992069), (46, 6080060), (56, 4994335), (70, 3995468), (92, 3040030), (115, 2432024), (137, 2041480), (140, 1997734), (161, 1737160), (184, 1520015), (230, 1216012), (274, 1020740), (280, 998867), (317, 882280), (322, 868580), (460, 608006), (548, 510370), (634, 441140), (644, 434290), (685, 408296), (805, 347432), (920, 304003), (959, 291640), (1096, 255185), (1268, 220570), (1288, 217145), (1370, 204148), (1585, 176456), (1610, 173716), (1918, 145820), (2219, 126040), (2536, 110285), (2740, 102074), (3151, 88760), (3170, 88228), (3220, 86858), (3836, 72910), (4438, 63020), (4795, 58328), (5480, 51037), (6302, 44380), (6340, 44114), (6440, 43429), (7291, 38360), (7672, 36455), (8876, 31510), (9590, 29164), (11095, 25208), (12604, 22190), (12680, 22057), (14582, 19180), (15755, 17752)]