80940440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{467}}^1\times {\mathrm{619}}^1$

素因数の和:1104

約数の個数: 64

約数和(自身を含む): 208915200

約数和(自身を除く): 127974760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 467, 619, 934, 1238, 1868, 2335, 2476, 3095, 3269, 3736, 4333, 4670, 4952, 6190, 6538, 8666, 9340, 12380, 13076, 16345, 17332, 18680, 21665, 24760, 26152, 32690, 34664, 43330, 65380, 86660, 130760, 173320, 289073, 578146, 1156292, 1445365, 2023511, 2312584, 2890730, 4047022, 5781460, 8094044, 10117555, 11562920, 16188088, 20235110, 40470220, 80940440]

約数ペア:

[(1, 80940440), (2, 40470220), (4, 20235110), (5, 16188088), (7, 11562920), (8, 10117555), (10, 8094044), (14, 5781460), (20, 4047022), (28, 2890730), (35, 2312584), (40, 2023511), (56, 1445365), (70, 1156292), (140, 578146), (280, 289073), (467, 173320), (619, 130760), (934, 86660), (1238, 65380), (1868, 43330), (2335, 34664), (2476, 32690), (3095, 26152), (3269, 24760), (3736, 21665), (4333, 18680), (4670, 17332), (4952, 16345), (6190, 13076), (6538, 12380), (8666, 9340)]