80942580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{449681}}^1$

素因数の和:449696

約数の個数: 36

約数和(自身を含む): 245526372

約数和(自身を除く): 164583792

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 449681, 899362, 1349043, 1798724, 2248405, 2698086, 4047129, 4496810, 5396172, 6745215, 8094258, 8993620, 13490430, 16188516, 20235645, 26980860, 40471290, 80942580]

約数ペア:

[(1, 80942580), (2, 40471290), (3, 26980860), (4, 20235645), (5, 16188516), (6, 13490430), (9, 8993620), (10, 8094258), (12, 6745215), (15, 5396172), (18, 4496810), (20, 4047129), (30, 2698086), (36, 2248405), (45, 1798724), (60, 1349043), (90, 899362), (180, 449681)]