81628020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{151163}}^1$

素因数の和:151181

約数の個数: 48

約数和(自身を含む): 253955520

約数和(自身を除く): 172327500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 151163, 302326, 453489, 604652, 755815, 906978, 1360467, 1511630, 1813956, 2267445, 2720934, 3023260, 4081401, 4534890, 5441868, 6802335, 8162802, 9069780, 13604670, 16325604, 20407005, 27209340, 40814010, 81628020]

約数ペア:

[(1, 81628020), (2, 40814010), (3, 27209340), (4, 20407005), (5, 16325604), (6, 13604670), (9, 9069780), (10, 8162802), (12, 6802335), (15, 5441868), (18, 4534890), (20, 4081401), (27, 3023260), (30, 2720934), (36, 2267445), (45, 1813956), (54, 1511630), (60, 1360467), (90, 906978), (108, 755815), (135, 604652), (180, 453489), (270, 302326), (540, 151163)]