15208720

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1259}}^1$

素因数の和:1423

約数の個数: 40

約数和(自身を含む): 35622720

約数和(自身を除く): 20414000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 302, 604, 755, 1208, 1259, 1510, 2416, 2518, 3020, 5036, 6040, 6295, 10072, 12080, 12590, 20144, 25180, 50360, 100720, 190109, 380218, 760436, 950545, 1520872, 1901090, 3041744, 3802180, 7604360, 15208720]

約数ペア:

[(1, 15208720), (2, 7604360), (4, 3802180), (5, 3041744), (8, 1901090), (10, 1520872), (16, 950545), (20, 760436), (40, 380218), (80, 190109), (151, 100720), (302, 50360), (604, 25180), (755, 20144), (1208, 12590), (1259, 12080), (1510, 10072), (2416, 6295), (2518, 6040), (3020, 5036)]