668816568

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{751}}^1$

素因数の和:823

約数の個数: 256

約数和(自身を含む): 2310144000

約数和(自身を除く): 1641327432

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 27, 28, 31, 36, 38, 42, 54, 56, 57, 62, 63, 72, 76, 84, 93, 108, 114, 124, 126, 133, 152, 168, 171, 186, 189, 216, 217, 228, 248, 252, 266, 279, 342, 372, 378, 399, 434, 456, 504, 513, 532, 558, 589, 651, 684, 744, 751, 756, 798, 837, 868, 1026, 1064, 1116, 1178, 1197, 1302, 1368, 1502, 1512, 1596, 1674, 1736, 1767, 1953, 2052, 2232, 2253, 2356, 2394, 2604, 3004, 3192, 3348, 3534, 3591, 3906, 4104, 4123, 4506, 4712, 4788, 5208, 5257, 5301, 5859, 6008, 6696, 6759, 7068, 7182, 7812, 8246, 9012, 9576, 10514, 10602, 11718, 12369, 13518, 14136, 14269, 14364, 15624, 15771, 15903, 16492, 18024, 20277, 21028, 21204, 23281, 23436, 24738, 27036, 28538, 28728, 31542, 31806, 32984, 37107, 40554, 42056, 42408, 42807, 46562, 46872, 47313, 49476, 54072, 57076, 63084, 63612, 69843, 74214, 81108, 85614, 93124, 94626, 98952, 99883, 111321, 114152, 126168, 127224, 128421, 139686, 141939, 148428, 162216, 162967, 171228, 186248, 189252, 199766, 209529, 222642, 256842, 279372, 283878, 296856, 299649, 325934, 342456, 378504, 385263, 399532, 419058, 442339, 445284, 488901, 513684, 558744, 567756, 599298, 628587, 651868, 770526, 799064, 838116, 884678, 890568, 898947, 977802, 1027368, 1135512, 1198596, 1257174, 1303736, 1327017, 1466703, 1541052, 1676232, 1769356, 1797894, 1955604, 2397192, 2514348, 2654034, 2696841, 2933406, 3082104, 3096373, 3538712, 3595788, 3911208, 3981051, 4400109, 5028696, 5308068, 5393682, 5866812, 6192746, 7191576, 7962102, 8800218, 9289119, 10616136, 10787364, 11733624, 11943153, 12385492, 15924204, 17600436, 18578238, 21574728, 23886306, 24770984, 27867357, 31848408, 35200872, 37156476, 47772612, 55734714, 74312952, 83602071, 95545224, 111469428, 167204142, 222938856, 334408284, 668816568]

約数ペア:

[(1, 668816568), (2, 334408284), (3, 222938856), (4, 167204142), (6, 111469428), (7, 95545224), (8, 83602071), (9, 74312952), (12, 55734714), (14, 47772612), (18, 37156476), (19, 35200872), (21, 31848408), (24, 27867357), (27, 24770984), (28, 23886306), (31, 21574728), (36, 18578238), (38, 17600436), (42, 15924204), (54, 12385492), (56, 11943153), (57, 11733624), (62, 10787364), (63, 10616136), (72, 9289119), (76, 8800218), (84, 7962102), (93, 7191576), (108, 6192746), (114, 5866812), (124, 5393682), (126, 5308068), (133, 5028696), (152, 4400109), (168, 3981051), (171, 3911208), (186, 3595788), (189, 3538712), (216, 3096373), (217, 3082104), (228, 2933406), (248, 2696841), (252, 2654034), (266, 2514348), (279, 2397192), (342, 1955604), (372, 1797894), (378, 1769356), (399, 1676232), (434, 1541052), (456, 1466703), (504, 1327017), (513, 1303736), (532, 1257174), (558, 1198596), (589, 1135512), (651, 1027368), (684, 977802), (744, 898947), (751, 890568), (756, 884678), (798, 838116), (837, 799064), (868, 770526), (1026, 651868), (1064, 628587), (1116, 599298), (1178, 567756), (1197, 558744), (1302, 513684), (1368, 488901), (1502, 445284), (1512, 442339), (1596, 419058), (1674, 399532), (1736, 385263), (1767, 378504), (1953, 342456), (2052, 325934), (2232, 299649), (2253, 296856), (2356, 283878), (2394, 279372), (2604, 256842), (3004, 222642), (3192, 209529), (3348, 199766), (3534, 189252), (3591, 186248), (3906, 171228), (4104, 162967), (4123, 162216), (4506, 148428), (4712, 141939), (4788, 139686), (5208, 128421), (5257, 127224), (5301, 126168), (5859, 114152), (6008, 111321), (6696, 99883), (6759, 98952), (7068, 94626), (7182, 93124), (7812, 85614), (8246, 81108), (9012, 74214), (9576, 69843), (10514, 63612), (10602, 63084), (11718, 57076), (12369, 54072), (13518, 49476), (14136, 47313), (14269, 46872), (14364, 46562), (15624, 42807), (15771, 42408), (15903, 42056), (16492, 40554), (18024, 37107), (20277, 32984), (21028, 31806), (21204, 31542), (23281, 28728), (23436, 28538), (24738, 27036)]