256301280

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{751}}^1$

素因数の和:854

約数の個数: 192

約数和(自身を含む): 909619200

約数和(自身を除く): 653317920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 79, 80, 90, 96, 108, 120, 135, 144, 158, 160, 180, 216, 237, 240, 270, 288, 316, 360, 395, 432, 474, 480, 540, 632, 711, 720, 751, 790, 864, 948, 1080, 1185, 1264, 1422, 1440, 1502, 1580, 1896, 2133, 2160, 2253, 2370, 2528, 2844, 3004, 3160, 3555, 3755, 3792, 4266, 4320, 4506, 4740, 5688, 6008, 6320, 6759, 7110, 7510, 7584, 8532, 9012, 9480, 10665, 11265, 11376, 12016, 12640, 13518, 14220, 15020, 17064, 18024, 18960, 20277, 21330, 22530, 22752, 24032, 27036, 28440, 30040, 33795, 34128, 36048, 37920, 40554, 42660, 45060, 54072, 56880, 59329, 60080, 67590, 68256, 72096, 81108, 85320, 90120, 101385, 108144, 113760, 118658, 120160, 135180, 162216, 170640, 177987, 180240, 202770, 216288, 237316, 270360, 296645, 324432, 341280, 355974, 360480, 405540, 474632, 533961, 540720, 593290, 648864, 711948, 811080, 889935, 949264, 1067922, 1081440, 1186580, 1423896, 1601883, 1622160, 1779870, 1898528, 2135844, 2373160, 2669805, 2847792, 3203766, 3244320, 3559740, 4271688, 4746320, 5339610, 5695584, 6407532, 7119480, 8009415, 8543376, 9492640, 10679220, 12815064, 14238960, 16018830, 17086752, 21358440, 25630128, 28477920, 32037660, 42716880, 51260256, 64075320, 85433760, 128150640, 256301280]

約数ペア:

[(1, 256301280), (2, 128150640), (3, 85433760), (4, 64075320), (5, 51260256), (6, 42716880), (8, 32037660), (9, 28477920), (10, 25630128), (12, 21358440), (15, 17086752), (16, 16018830), (18, 14238960), (20, 12815064), (24, 10679220), (27, 9492640), (30, 8543376), (32, 8009415), (36, 7119480), (40, 6407532), (45, 5695584), (48, 5339610), (54, 4746320), (60, 4271688), (72, 3559740), (79, 3244320), (80, 3203766), (90, 2847792), (96, 2669805), (108, 2373160), (120, 2135844), (135, 1898528), (144, 1779870), (158, 1622160), (160, 1601883), (180, 1423896), (216, 1186580), (237, 1081440), (240, 1067922), (270, 949264), (288, 889935), (316, 811080), (360, 711948), (395, 648864), (432, 593290), (474, 540720), (480, 533961), (540, 474632), (632, 405540), (711, 360480), (720, 355974), (751, 341280), (790, 324432), (864, 296645), (948, 270360), (1080, 237316), (1185, 216288), (1264, 202770), (1422, 180240), (1440, 177987), (1502, 170640), (1580, 162216), (1896, 135180), (2133, 120160), (2160, 118658), (2253, 113760), (2370, 108144), (2528, 101385), (2844, 90120), (3004, 85320), (3160, 81108), (3555, 72096), (3755, 68256), (3792, 67590), (4266, 60080), (4320, 59329), (4506, 56880), (4740, 54072), (5688, 45060), (6008, 42660), (6320, 40554), (6759, 37920), (7110, 36048), (7510, 34128), (7584, 33795), (8532, 30040), (9012, 28440), (9480, 27036), (10665, 24032), (11265, 22752), (11376, 22530), (12016, 21330), (12640, 20277), (13518, 18960), (14220, 18024), (15020, 17064)]