261687200

素因数分解:

$2^5\times 5^2\times {\mathrm{109}}^1\times {\mathrm{3001}}^1$

素因数の和:3130

約数の個数: 72

約数和(自身を含む): 644919660

約数和(自身を除く): 383232460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 109, 160, 200, 218, 400, 436, 545, 800, 872, 1090, 1744, 2180, 2725, 3001, 3488, 4360, 5450, 6002, 8720, 10900, 12004, 15005, 17440, 21800, 24008, 30010, 43600, 48016, 60020, 75025, 87200, 96032, 120040, 150050, 240080, 300100, 327109, 480160, 600200, 654218, 1200400, 1308436, 1635545, 2400800, 2616872, 3271090, 5233744, 6542180, 8177725, 10467488, 13084360, 16355450, 26168720, 32710900, 52337440, 65421800, 130843600, 261687200]

約数ペア:

[(1, 261687200), (2, 130843600), (4, 65421800), (5, 52337440), (8, 32710900), (10, 26168720), (16, 16355450), (20, 13084360), (25, 10467488), (32, 8177725), (40, 6542180), (50, 5233744), (80, 3271090), (100, 2616872), (109, 2400800), (160, 1635545), (200, 1308436), (218, 1200400), (400, 654218), (436, 600200), (545, 480160), (800, 327109), (872, 300100), (1090, 240080), (1744, 150050), (2180, 120040), (2725, 96032), (3001, 87200), (3488, 75025), (4360, 60020), (5450, 48016), (6002, 43600), (8720, 30010), (10900, 24008), (12004, 21800), (15005, 17440)]