261701520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1090423}}^1$

素因数の和:1090439

約数の個数: 40

約数和(自身を含む): 811275456

約数和(自身を除く): 549573936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1090423, 2180846, 3271269, 4361692, 5452115, 6542538, 8723384, 10904230, 13085076, 16356345, 17446768, 21808460, 26170152, 32712690, 43616920, 52340304, 65425380, 87233840, 130850760, 261701520]

約数ペア:

[(1, 261701520), (2, 130850760), (3, 87233840), (4, 65425380), (5, 52340304), (6, 43616920), (8, 32712690), (10, 26170152), (12, 21808460), (15, 17446768), (16, 16356345), (20, 13085076), (24, 10904230), (30, 8723384), (40, 6542538), (48, 5452115), (60, 4361692), (80, 3271269), (120, 2180846), (240, 1090423)]