42784280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{479}}^1$

素因数の和:537

約数の個数: 128

約数和(自身を含む): 124416000

約数和(自身を除く): 81631720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 29, 35, 40, 44, 55, 56, 58, 70, 77, 88, 110, 116, 140, 145, 154, 203, 220, 232, 280, 290, 308, 319, 385, 406, 440, 479, 580, 616, 638, 770, 812, 958, 1015, 1160, 1276, 1540, 1595, 1624, 1916, 2030, 2233, 2395, 2552, 3080, 3190, 3353, 3832, 4060, 4466, 4790, 5269, 6380, 6706, 8120, 8932, 9580, 10538, 11165, 12760, 13412, 13891, 16765, 17864, 19160, 21076, 22330, 26345, 26824, 27782, 33530, 36883, 42152, 44660, 52690, 55564, 67060, 69455, 73766, 89320, 97237, 105380, 111128, 134120, 138910, 147532, 152801, 184415, 194474, 210760, 277820, 295064, 305602, 368830, 388948, 486185, 555640, 611204, 737660, 764005, 777896, 972370, 1069607, 1222408, 1475320, 1528010, 1944740, 2139214, 3056020, 3889480, 4278428, 5348035, 6112040, 8556856, 10696070, 21392140, 42784280]

約数ペア:

[(1, 42784280), (2, 21392140), (4, 10696070), (5, 8556856), (7, 6112040), (8, 5348035), (10, 4278428), (11, 3889480), (14, 3056020), (20, 2139214), (22, 1944740), (28, 1528010), (29, 1475320), (35, 1222408), (40, 1069607), (44, 972370), (55, 777896), (56, 764005), (58, 737660), (70, 611204), (77, 555640), (88, 486185), (110, 388948), (116, 368830), (140, 305602), (145, 295064), (154, 277820), (203, 210760), (220, 194474), (232, 184415), (280, 152801), (290, 147532), (308, 138910), (319, 134120), (385, 111128), (406, 105380), (440, 97237), (479, 89320), (580, 73766), (616, 69455), (638, 67060), (770, 55564), (812, 52690), (958, 44660), (1015, 42152), (1160, 36883), (1276, 33530), (1540, 27782), (1595, 26824), (1624, 26345), (1916, 22330), (2030, 21076), (2233, 19160), (2395, 17864), (2552, 16765), (3080, 13891), (3190, 13412), (3353, 12760), (3832, 11165), (4060, 10538), (4466, 9580), (4790, 8932), (5269, 8120), (6380, 6706)]