640053456

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{937}}^1$

素因数の和:1081

約数の個数: 160

約数和(自身を含む): 2009871360

約数和(自身を除く): 1369817904

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 48, 56, 57, 76, 84, 107, 112, 114, 133, 152, 168, 214, 228, 266, 304, 321, 336, 399, 428, 456, 532, 642, 749, 798, 856, 912, 937, 1064, 1284, 1498, 1596, 1712, 1874, 2033, 2128, 2247, 2568, 2811, 2996, 3192, 3748, 4066, 4494, 5136, 5622, 5992, 6099, 6384, 6559, 7496, 8132, 8988, 11244, 11984, 12198, 13118, 14231, 14992, 16264, 17803, 17976, 19677, 22488, 24396, 26236, 28462, 32528, 35606, 35952, 39354, 42693, 44976, 48792, 52472, 53409, 56924, 71212, 78708, 85386, 97584, 100259, 104944, 106818, 113848, 124621, 142424, 157416, 170772, 200518, 213636, 227696, 249242, 284848, 300777, 314832, 341544, 373863, 401036, 427272, 498484, 601554, 683088, 701813, 747726, 802072, 854544, 996968, 1203108, 1403626, 1495452, 1604144, 1904921, 1993936, 2105439, 2406216, 2807252, 2990904, 3809842, 4210878, 4812432, 5614504, 5714763, 5981808, 7619684, 8421756, 11229008, 11429526, 13334447, 15239368, 16843512, 22859052, 26668894, 30478736, 33687024, 40003341, 45718104, 53337788, 80006682, 91436208, 106675576, 160013364, 213351152, 320026728, 640053456]

約数ペア:

[(1, 640053456), (2, 320026728), (3, 213351152), (4, 160013364), (6, 106675576), (7, 91436208), (8, 80006682), (12, 53337788), (14, 45718104), (16, 40003341), (19, 33687024), (21, 30478736), (24, 26668894), (28, 22859052), (38, 16843512), (42, 15239368), (48, 13334447), (56, 11429526), (57, 11229008), (76, 8421756), (84, 7619684), (107, 5981808), (112, 5714763), (114, 5614504), (133, 4812432), (152, 4210878), (168, 3809842), (214, 2990904), (228, 2807252), (266, 2406216), (304, 2105439), (321, 1993936), (336, 1904921), (399, 1604144), (428, 1495452), (456, 1403626), (532, 1203108), (642, 996968), (749, 854544), (798, 802072), (856, 747726), (912, 701813), (937, 683088), (1064, 601554), (1284, 498484), (1498, 427272), (1596, 401036), (1712, 373863), (1874, 341544), (2033, 314832), (2128, 300777), (2247, 284848), (2568, 249242), (2811, 227696), (2996, 213636), (3192, 200518), (3748, 170772), (4066, 157416), (4494, 142424), (5136, 124621), (5622, 113848), (5992, 106818), (6099, 104944), (6384, 100259), (6559, 97584), (7496, 85386), (8132, 78708), (8988, 71212), (11244, 56924), (11984, 53409), (12198, 52472), (13118, 48792), (14231, 44976), (14992, 42693), (16264, 39354), (17803, 35952), (17976, 35606), (19677, 32528), (22488, 28462), (24396, 26236)]