1980147456

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{122777}}^1$

素因数の和:122806

約数の個数: 108

約数和(自身を含む): 6524914032

約数和(自身を除く): 4544766576

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 256, 288, 336, 384, 448, 504, 576, 672, 768, 896, 1008, 1152, 1344, 1792, 2016, 2304, 2688, 4032, 5376, 8064, 16128, 122777, 245554, 368331, 491108, 736662, 859439, 982216, 1104993, 1473324, 1718878, 1964432, 2209986, 2578317, 2946648, 3437756, 3928864, 4419972, 5156634, 5893296, 6875512, 7734951, 7857728, 8839944, 10313268, 11786592, 13751024, 15469902, 15715456, 17679888, 20626536, 23573184, 27502048, 30939804, 31430912, 35359776, 41253072, 47146368, 55004096, 61879608, 70719552, 82506144, 94292736, 110008192, 123759216, 141439104, 165012288, 220016384, 247518432, 282878208, 330024576, 495036864, 660049152, 990073728, 1980147456]

約数ペア:

[(1, 1980147456), (2, 990073728), (3, 660049152), (4, 495036864), (6, 330024576), (7, 282878208), (8, 247518432), (9, 220016384), (12, 165012288), (14, 141439104), (16, 123759216), (18, 110008192), (21, 94292736), (24, 82506144), (28, 70719552), (32, 61879608), (36, 55004096), (42, 47146368), (48, 41253072), (56, 35359776), (63, 31430912), (64, 30939804), (72, 27502048), (84, 23573184), (96, 20626536), (112, 17679888), (126, 15715456), (128, 15469902), (144, 13751024), (168, 11786592), (192, 10313268), (224, 8839944), (252, 7857728), (256, 7734951), (288, 6875512), (336, 5893296), (384, 5156634), (448, 4419972), (504, 3928864), (576, 3437756), (672, 2946648), (768, 2578317), (896, 2209986), (1008, 1964432), (1152, 1718878), (1344, 1473324), (1792, 1104993), (2016, 982216), (2304, 859439), (2688, 736662), (4032, 491108), (5376, 368331), (8064, 245554), (16128, 122777)]