1276677920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:455

約数の個数: 192

約数和(自身を含む): 3576545280

約数和(自身を除く): 2299867360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 70, 79, 80, 94, 112, 140, 158, 160, 188, 224, 235, 280, 307, 316, 329, 376, 395, 470, 553, 560, 614, 632, 658, 752, 790, 940, 1106, 1120, 1228, 1264, 1316, 1504, 1535, 1580, 1645, 1880, 2149, 2212, 2456, 2528, 2632, 2765, 3070, 3160, 3290, 3713, 3760, 4298, 4424, 4912, 5264, 5530, 6140, 6320, 6580, 7426, 7520, 8596, 8848, 9824, 10528, 10745, 11060, 12280, 12640, 13160, 14429, 14852, 17192, 17696, 18565, 21490, 22120, 24253, 24560, 25991, 26320, 28858, 29704, 34384, 37130, 42980, 44240, 48506, 49120, 51982, 52640, 57716, 59408, 68768, 72145, 74260, 85960, 88480, 97012, 101003, 103964, 115432, 118816, 121265, 129955, 144290, 148520, 169771, 171920, 194024, 202006, 207928, 230864, 242530, 259910, 288580, 297040, 339542, 343840, 388048, 404012, 415856, 461728, 485060, 505015, 519820, 577160, 594080, 679084, 776096, 808024, 831712, 848855, 970120, 1010030, 1039640, 1139891, 1154320, 1358168, 1616048, 1697710, 1940240, 2020060, 2079280, 2279782, 2308640, 2716336, 3232096, 3395420, 3880480, 4040120, 4158560, 4559564, 5432672, 5699455, 6790840, 7979237, 8080240, 9119128, 11398910, 13581680, 15958474, 16160480, 18238256, 22797820, 27163360, 31916948, 36476512, 39896185, 45595640, 63833896, 79792370, 91191280, 127667792, 159584740, 182382560, 255335584, 319169480, 638338960, 1276677920]

約数ペア:

[(1, 1276677920), (2, 638338960), (4, 319169480), (5, 255335584), (7, 182382560), (8, 159584740), (10, 127667792), (14, 91191280), (16, 79792370), (20, 63833896), (28, 45595640), (32, 39896185), (35, 36476512), (40, 31916948), (47, 27163360), (56, 22797820), (70, 18238256), (79, 16160480), (80, 15958474), (94, 13581680), (112, 11398910), (140, 9119128), (158, 8080240), (160, 7979237), (188, 6790840), (224, 5699455), (235, 5432672), (280, 4559564), (307, 4158560), (316, 4040120), (329, 3880480), (376, 3395420), (395, 3232096), (470, 2716336), (553, 2308640), (560, 2279782), (614, 2079280), (632, 2020060), (658, 1940240), (752, 1697710), (790, 1616048), (940, 1358168), (1106, 1154320), (1120, 1139891), (1228, 1039640), (1264, 1010030), (1316, 970120), (1504, 848855), (1535, 831712), (1580, 808024), (1645, 776096), (1880, 679084), (2149, 594080), (2212, 577160), (2456, 519820), (2528, 505015), (2632, 485060), (2765, 461728), (3070, 415856), (3160, 404012), (3290, 388048), (3713, 343840), (3760, 339542), (4298, 297040), (4424, 288580), (4912, 259910), (5264, 242530), (5530, 230864), (6140, 207928), (6320, 202006), (6580, 194024), (7426, 171920), (7520, 169771), (8596, 148520), (8848, 144290), (9824, 129955), (10528, 121265), (10745, 118816), (11060, 115432), (12280, 103964), (12640, 101003), (13160, 97012), (14429, 88480), (14852, 85960), (17192, 74260), (17696, 72145), (18565, 68768), (21490, 59408), (22120, 57716), (24253, 52640), (24560, 51982), (25991, 49120), (26320, 48506), (28858, 44240), (29704, 42980), (34384, 37130)]