81229380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{17137}}^1$

素因数の和:17228

約数の個数: 48

約数和(自身を含む): 230334720

約数和(自身を除く): 149105340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4740, 17137, 34274, 51411, 68548, 85685, 102822, 171370, 205644, 257055, 342740, 514110, 1028220, 1353823, 2707646, 4061469, 5415292, 6769115, 8122938, 13538230, 16245876, 20307345, 27076460, 40614690, 81229380]

約数ペア:

[(1, 81229380), (2, 40614690), (3, 27076460), (4, 20307345), (5, 16245876), (6, 13538230), (10, 8122938), (12, 6769115), (15, 5415292), (20, 4061469), (30, 2707646), (60, 1353823), (79, 1028220), (158, 514110), (237, 342740), (316, 257055), (395, 205644), (474, 171370), (790, 102822), (948, 85685), (1185, 68548), (1580, 51411), (2370, 34274), (4740, 17137)]