81911160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{227531}}^1$

素因数の和:227548

約数の個数: 48

約数和(自身を含む): 266212440

約数和(自身を除く): 184301280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 227531, 455062, 682593, 910124, 1137655, 1365186, 1820248, 2047779, 2275310, 2730372, 3412965, 4095558, 4550620, 5460744, 6825930, 8191116, 9101240, 10238895, 13651860, 16382232, 20477790, 27303720, 40955580, 81911160]

約数ペア:

[(1, 81911160), (2, 40955580), (3, 27303720), (4, 20477790), (5, 16382232), (6, 13651860), (8, 10238895), (9, 9101240), (10, 8191116), (12, 6825930), (15, 5460744), (18, 4550620), (20, 4095558), (24, 3412965), (30, 2730372), (36, 2275310), (40, 2047779), (45, 1820248), (60, 1365186), (72, 1137655), (90, 910124), (120, 682593), (180, 455062), (360, 227531)]