81057720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{675481}}^1$

素因数の和:675495

約数の個数: 32

約数和(自身を含む): 243173520

約数和(自身を除く): 162115800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 675481, 1350962, 2026443, 2701924, 3377405, 4052886, 5403848, 6754810, 8105772, 10132215, 13509620, 16211544, 20264430, 27019240, 40528860, 81057720]

約数ペア:

[(1, 81057720), (2, 40528860), (3, 27019240), (4, 20264430), (5, 16211544), (6, 13509620), (8, 10132215), (10, 8105772), (12, 6754810), (15, 5403848), (20, 4052886), (24, 3377405), (30, 2701924), (40, 2026443), (60, 1350962), (120, 675481)]