208761280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:211

約数の個数: 224

約数和(自身を含む): 626766336

約数和(自身を除く): 418005056

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 67, 70, 80, 91, 104, 107, 112, 130, 134, 140, 160, 182, 208, 214, 224, 260, 268, 280, 320, 335, 364, 416, 428, 448, 455, 469, 520, 535, 536, 560, 670, 728, 749, 832, 856, 871, 910, 938, 1040, 1070, 1072, 1120, 1340, 1391, 1456, 1498, 1712, 1742, 1820, 1876, 2080, 2140, 2144, 2240, 2345, 2680, 2782, 2912, 2996, 3424, 3484, 3640, 3745, 3752, 4160, 4280, 4288, 4355, 4690, 5360, 5564, 5824, 5992, 6097, 6848, 6955, 6968, 7169, 7280, 7490, 7504, 8560, 8710, 9380, 9737, 10720, 11128, 11984, 12194, 13910, 13936, 14338, 14560, 14980, 15008, 17120, 17420, 18760, 19474, 21440, 22256, 23968, 24388, 27820, 27872, 28676, 29120, 29960, 30016, 30485, 34240, 34840, 35845, 37520, 38948, 44512, 47936, 48685, 48776, 50183, 55640, 55744, 57352, 59920, 60970, 69680, 71690, 75040, 77896, 89024, 93197, 97370, 97552, 100366, 111280, 114704, 119840, 121940, 139360, 143380, 150080, 155792, 186394, 194740, 195104, 200732, 222560, 229408, 239680, 243880, 250915, 278720, 286760, 311584, 372788, 389480, 390208, 401464, 445120, 458816, 465985, 487760, 501830, 573520, 623168, 652379, 745576, 778960, 802928, 931970, 975520, 1003660, 1147040, 1304758, 1491152, 1557920, 1605856, 1863940, 1951040, 2007320, 2294080, 2609516, 2982304, 3115840, 3211712, 3261895, 3727880, 4014640, 5219032, 5964608, 6523790, 7455760, 8029280, 10438064, 13047580, 14911520, 16058560, 20876128, 26095160, 29823040, 41752256, 52190320, 104380640, 208761280]

約数ペア:

[(1, 208761280), (2, 104380640), (4, 52190320), (5, 41752256), (7, 29823040), (8, 26095160), (10, 20876128), (13, 16058560), (14, 14911520), (16, 13047580), (20, 10438064), (26, 8029280), (28, 7455760), (32, 6523790), (35, 5964608), (40, 5219032), (52, 4014640), (56, 3727880), (64, 3261895), (65, 3211712), (67, 3115840), (70, 2982304), (80, 2609516), (91, 2294080), (104, 2007320), (107, 1951040), (112, 1863940), (130, 1605856), (134, 1557920), (140, 1491152), (160, 1304758), (182, 1147040), (208, 1003660), (214, 975520), (224, 931970), (260, 802928), (268, 778960), (280, 745576), (320, 652379), (335, 623168), (364, 573520), (416, 501830), (428, 487760), (448, 465985), (455, 458816), (469, 445120), (520, 401464), (535, 390208), (536, 389480), (560, 372788), (670, 311584), (728, 286760), (749, 278720), (832, 250915), (856, 243880), (871, 239680), (910, 229408), (938, 222560), (1040, 200732), (1070, 195104), (1072, 194740), (1120, 186394), (1340, 155792), (1391, 150080), (1456, 143380), (1498, 139360), (1712, 121940), (1742, 119840), (1820, 114704), (1876, 111280), (2080, 100366), (2140, 97552), (2144, 97370), (2240, 93197), (2345, 89024), (2680, 77896), (2782, 75040), (2912, 71690), (2996, 69680), (3424, 60970), (3484, 59920), (3640, 57352), (3745, 55744), (3752, 55640), (4160, 50183), (4280, 48776), (4288, 48685), (4355, 47936), (4690, 44512), (5360, 38948), (5564, 37520), (5824, 35845), (5992, 34840), (6097, 34240), (6848, 30485), (6955, 30016), (6968, 29960), (7169, 29120), (7280, 28676), (7490, 27872), (7504, 27820), (8560, 24388), (8710, 23968), (9380, 22256), (9737, 21440), (10720, 19474), (11128, 18760), (11984, 17420), (12194, 17120), (13910, 15008), (13936, 14980), (14338, 14560)]