82918640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{563}}^1$

素因数の和:846

約数の個数: 80

約数和(自身を含む): 221557248

約数和(自身を除く): 138638608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 263, 280, 526, 560, 563, 1052, 1126, 1315, 1841, 2104, 2252, 2630, 2815, 3682, 3941, 4208, 4504, 5260, 5630, 7364, 7882, 9008, 9205, 10520, 11260, 14728, 15764, 18410, 19705, 21040, 22520, 29456, 31528, 36820, 39410, 45040, 63056, 73640, 78820, 147280, 148069, 157640, 296138, 315280, 592276, 740345, 1036483, 1184552, 1480690, 2072966, 2369104, 2961380, 4145932, 5182415, 5922760, 8291864, 10364830, 11845520, 16583728, 20729660, 41459320, 82918640]

約数ペア:

[(1, 82918640), (2, 41459320), (4, 20729660), (5, 16583728), (7, 11845520), (8, 10364830), (10, 8291864), (14, 5922760), (16, 5182415), (20, 4145932), (28, 2961380), (35, 2369104), (40, 2072966), (56, 1480690), (70, 1184552), (80, 1036483), (112, 740345), (140, 592276), (263, 315280), (280, 296138), (526, 157640), (560, 148069), (563, 147280), (1052, 78820), (1126, 73640), (1315, 63056), (1841, 45040), (2104, 39410), (2252, 36820), (2630, 31528), (2815, 29456), (3682, 22520), (3941, 21040), (4208, 19705), (4504, 18410), (5260, 15764), (5630, 14728), (7364, 11260), (7882, 10520), (9008, 9205)]