280368720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{389401}}^1$

素因数の和:389420

約数の個数: 60

約数和(自身を含む): 941574036

約数和(自身を除く): 661205316

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 389401, 778802, 1168203, 1557604, 1947005, 2336406, 3115208, 3504609, 3894010, 4672812, 5841015, 6230416, 7009218, 7788020, 9345624, 11682030, 14018436, 15576040, 17523045, 18691248, 23364060, 28036872, 31152080, 35046090, 46728120, 56073744, 70092180, 93456240, 140184360, 280368720]

約数ペア:

[(1, 280368720), (2, 140184360), (3, 93456240), (4, 70092180), (5, 56073744), (6, 46728120), (8, 35046090), (9, 31152080), (10, 28036872), (12, 23364060), (15, 18691248), (16, 17523045), (18, 15576040), (20, 14018436), (24, 11682030), (30, 9345624), (36, 7788020), (40, 7009218), (45, 6230416), (48, 5841015), (60, 4672812), (72, 3894010), (80, 3504609), (90, 3115208), (120, 2336406), (144, 1947005), (180, 1557604), (240, 1168203), (360, 778802), (720, 389401)]