64885520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1063}}^1$

素因数の和:1192

約数の個数: 80

約数和(自身を含む): 174155520

約数和(自身を除く): 109270000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 280, 436, 545, 560, 763, 872, 1063, 1090, 1526, 1744, 2126, 2180, 3052, 3815, 4252, 4360, 5315, 6104, 7441, 7630, 8504, 8720, 10630, 12208, 14882, 15260, 17008, 21260, 29764, 30520, 37205, 42520, 59528, 61040, 74410, 85040, 115867, 119056, 148820, 231734, 297640, 463468, 579335, 595280, 811069, 926936, 1158670, 1622138, 1853872, 2317340, 3244276, 4055345, 4634680, 6488552, 8110690, 9269360, 12977104, 16221380, 32442760, 64885520]

約数ペア:

[(1, 64885520), (2, 32442760), (4, 16221380), (5, 12977104), (7, 9269360), (8, 8110690), (10, 6488552), (14, 4634680), (16, 4055345), (20, 3244276), (28, 2317340), (35, 1853872), (40, 1622138), (56, 1158670), (70, 926936), (80, 811069), (109, 595280), (112, 579335), (140, 463468), (218, 297640), (280, 231734), (436, 148820), (545, 119056), (560, 115867), (763, 85040), (872, 74410), (1063, 61040), (1090, 59528), (1526, 42520), (1744, 37205), (2126, 30520), (2180, 29764), (3052, 21260), (3815, 17008), (4252, 15260), (4360, 14882), (5315, 12208), (6104, 10630), (7441, 8720), (7630, 8504)]