81259560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{225721}}^1$

素因数の和:225738

約数の個数: 48

約数和(自身を含む): 264094740

約数和(自身を除く): 182835180

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, 225721, 451442, 677163, 902884, 1128605, 1354326, 1805768, 2031489, 2257210, 2708652, 3385815, 4062978, 4514420, 5417304, 6771630, 8125956, 9028840, 10157445, 13543260, 16251912, 20314890, 27086520, 40629780, 81259560]

約数ペア:

[(1, 81259560), (2, 40629780), (3, 27086520), (4, 20314890), (5, 16251912), (6, 13543260), (8, 10157445), (9, 9028840), (10, 8125956), (12, 6771630), (15, 5417304), (18, 4514420), (20, 4062978), (24, 3385815), (30, 2708652), (36, 2257210), (40, 2031489), (45, 1805768), (60, 1354326), (72, 1128605), (90, 902884), (120, 677163), (180, 451442), (360, 225721)]