215412720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{897553}}^1$

素因数の和:897569

約数の個数: 40

約数和(自身を含む): 667780176

約数和(自身を除く): 452367456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 897553, 1795106, 2692659, 3590212, 4487765, 5385318, 7180424, 8975530, 10770636, 13463295, 14360848, 17951060, 21541272, 26926590, 35902120, 43082544, 53853180, 71804240, 107706360, 215412720]

約数ペア:

[(1, 215412720), (2, 107706360), (3, 71804240), (4, 53853180), (5, 43082544), (6, 35902120), (8, 26926590), (10, 21541272), (12, 17951060), (15, 14360848), (16, 13463295), (20, 10770636), (24, 8975530), (30, 7180424), (40, 5385318), (48, 4487765), (60, 3590212), (80, 2692659), (120, 1795106), (240, 897553)]