84937720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{691}}^1$

素因数の和:1148

約数の個数: 64

約数和(自身を含む): 219225600

約数和(自身を除く): 134287880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 439, 691, 878, 1382, 1756, 2195, 2764, 3073, 3455, 3512, 4390, 4837, 5528, 6146, 6910, 8780, 9674, 12292, 13820, 15365, 17560, 19348, 24185, 24584, 27640, 30730, 38696, 48370, 61460, 96740, 122920, 193480, 303349, 606698, 1213396, 1516745, 2123443, 2426792, 3033490, 4246886, 6066980, 8493772, 10617215, 12133960, 16987544, 21234430, 42468860, 84937720]

約数ペア:

[(1, 84937720), (2, 42468860), (4, 21234430), (5, 16987544), (7, 12133960), (8, 10617215), (10, 8493772), (14, 6066980), (20, 4246886), (28, 3033490), (35, 2426792), (40, 2123443), (56, 1516745), (70, 1213396), (140, 606698), (280, 303349), (439, 193480), (691, 122920), (878, 96740), (1382, 61460), (1756, 48370), (2195, 38696), (2764, 30730), (3073, 27640), (3455, 24584), (3512, 24185), (4390, 19348), (4837, 17560), (5528, 15365), (6146, 13820), (6910, 12292), (8780, 9674)]