21168720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29401}}^1$

素因数の和:29420

約数の個数: 60

約数和(自身を含む): 71094036

約数和(自身を除く): 49925316

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, 29401, 58802, 88203, 117604, 147005, 176406, 235208, 264609, 294010, 352812, 441015, 470416, 529218, 588020, 705624, 882030, 1058436, 1176040, 1323045, 1411248, 1764060, 2116872, 2352080, 2646090, 3528120, 4233744, 5292180, 7056240, 10584360, 21168720]

約数ペア:

[(1, 21168720), (2, 10584360), (3, 7056240), (4, 5292180), (5, 4233744), (6, 3528120), (8, 2646090), (9, 2352080), (10, 2116872), (12, 1764060), (15, 1411248), (16, 1323045), (18, 1176040), (20, 1058436), (24, 882030), (30, 705624), (36, 588020), (40, 529218), (45, 470416), (48, 441015), (60, 352812), (72, 294010), (80, 264609), (90, 235208), (120, 176406), (144, 147005), (180, 117604), (240, 88203), (360, 58802), (720, 29401)]