1215361520

素因数分解:

$2^4\times 5^1\times {\mathrm{15192019}}^1$

素因数の和:15192032

約数の個数: 20

約数和(自身を含む): 2825715720

約数和(自身を除く): 1610354200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15192019, 30384038, 60768076, 75960095, 121536152, 151920190, 243072304, 303840380, 607680760, 1215361520]

約数ペア:

[(1, 1215361520), (2, 607680760), (4, 303840380), (5, 243072304), (8, 151920190), (10, 121536152), (16, 75960095), (20, 60768076), (40, 30384038), (80, 15192019)]