279826680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:326

約数の個数: 256

約数和(自身を含む): 1026432000

約数和(自身を除く): 746605320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 89, 95, 105, 114, 120, 133, 140, 152, 168, 178, 190, 197, 210, 228, 266, 267, 280, 285, 356, 380, 394, 399, 420, 445, 456, 532, 534, 570, 591, 623, 665, 712, 760, 788, 798, 840, 890, 985, 1064, 1068, 1140, 1182, 1246, 1330, 1335, 1379, 1576, 1596, 1691, 1780, 1869, 1970, 1995, 2136, 2280, 2364, 2492, 2660, 2670, 2758, 2955, 3115, 3192, 3382, 3560, 3738, 3743, 3940, 3990, 4137, 4728, 4984, 5073, 5320, 5340, 5516, 5910, 6230, 6764, 6895, 7476, 7486, 7880, 7980, 8274, 8455, 9345, 10146, 10680, 11032, 11229, 11820, 11837, 12460, 13528, 13790, 14952, 14972, 15960, 16548, 16910, 17533, 18690, 18715, 20292, 20685, 22458, 23640, 23674, 24920, 25365, 26201, 27580, 29944, 33096, 33820, 35066, 35511, 37380, 37430, 40584, 41370, 44916, 47348, 50730, 52402, 52599, 55160, 56145, 59185, 67640, 70132, 71022, 74760, 74860, 78603, 82740, 87665, 89832, 94696, 101460, 104804, 105198, 112290, 118370, 122731, 131005, 140264, 142044, 149720, 157206, 165480, 175330, 177555, 202920, 209608, 210396, 224580, 236740, 245462, 262010, 262995, 284088, 314412, 333127, 350660, 355110, 368193, 393015, 420792, 449160, 473480, 490924, 524020, 525990, 613655, 628824, 666254, 701320, 710220, 736386, 786030, 981848, 999381, 1048040, 1051980, 1227310, 1332508, 1420440, 1472772, 1572060, 1665635, 1840965, 1998762, 2103960, 2331889, 2454620, 2665016, 2945544, 3144120, 3331270, 3681930, 3997524, 4663778, 4909240, 4996905, 6662540, 6995667, 7363860, 7995048, 9327556, 9993810, 11659445, 13325080, 13991334, 14727720, 18655112, 19987620, 23318890, 27982668, 34978335, 39975240, 46637780, 55965336, 69956670, 93275560, 139913340, 279826680]

約数ペア:

[(1, 279826680), (2, 139913340), (3, 93275560), (4, 69956670), (5, 55965336), (6, 46637780), (7, 39975240), (8, 34978335), (10, 27982668), (12, 23318890), (14, 19987620), (15, 18655112), (19, 14727720), (20, 13991334), (21, 13325080), (24, 11659445), (28, 9993810), (30, 9327556), (35, 7995048), (38, 7363860), (40, 6995667), (42, 6662540), (56, 4996905), (57, 4909240), (60, 4663778), (70, 3997524), (76, 3681930), (84, 3331270), (89, 3144120), (95, 2945544), (105, 2665016), (114, 2454620), (120, 2331889), (133, 2103960), (140, 1998762), (152, 1840965), (168, 1665635), (178, 1572060), (190, 1472772), (197, 1420440), (210, 1332508), (228, 1227310), (266, 1051980), (267, 1048040), (280, 999381), (285, 981848), (356, 786030), (380, 736386), (394, 710220), (399, 701320), (420, 666254), (445, 628824), (456, 613655), (532, 525990), (534, 524020), (570, 490924), (591, 473480), (623, 449160), (665, 420792), (712, 393015), (760, 368193), (788, 355110), (798, 350660), (840, 333127), (890, 314412), (985, 284088), (1064, 262995), (1068, 262010), (1140, 245462), (1182, 236740), (1246, 224580), (1330, 210396), (1335, 209608), (1379, 202920), (1576, 177555), (1596, 175330), (1691, 165480), (1780, 157206), (1869, 149720), (1970, 142044), (1995, 140264), (2136, 131005), (2280, 122731), (2364, 118370), (2492, 112290), (2660, 105198), (2670, 104804), (2758, 101460), (2955, 94696), (3115, 89832), (3192, 87665), (3382, 82740), (3560, 78603), (3738, 74860), (3743, 74760), (3940, 71022), (3990, 70132), (4137, 67640), (4728, 59185), (4984, 56145), (5073, 55160), (5320, 52599), (5340, 52402), (5516, 50730), (5910, 47348), (6230, 44916), (6764, 41370), (6895, 40584), (7476, 37430), (7486, 37380), (7880, 35511), (7980, 35066), (8274, 33820), (8455, 33096), (9345, 29944), (10146, 27580), (10680, 26201), (11032, 25365), (11229, 24920), (11820, 23674), (11837, 23640), (12460, 22458), (13528, 20685), (13790, 20292), (14952, 18715), (14972, 18690), (15960, 17533), (16548, 16910)]