21547440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29927}}^1$

素因数の和:29946

約数の個数: 60

約数和(自身を含む): 72365904

約数和(自身を除く): 50818464

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, 29927, 59854, 89781, 119708, 149635, 179562, 239416, 269343, 299270, 359124, 448905, 478832, 538686, 598540, 718248, 897810, 1077372, 1197080, 1346715, 1436496, 1795620, 2154744, 2394160, 2693430, 3591240, 4309488, 5386860, 7182480, 10773720, 21547440]

約数ペア:

[(1, 21547440), (2, 10773720), (3, 7182480), (4, 5386860), (5, 4309488), (6, 3591240), (8, 2693430), (9, 2394160), (10, 2154744), (12, 1795620), (15, 1436496), (16, 1346715), (18, 1197080), (20, 1077372), (24, 897810), (30, 718248), (36, 598540), (40, 538686), (45, 478832), (48, 448905), (60, 359124), (72, 299270), (80, 269343), (90, 239416), (120, 179562), (144, 149635), (180, 119708), (240, 89781), (360, 59854), (720, 29927)]