21568320

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{7489}}^1$

素因数の和:7512

約数の個数: 84

約数和(自身を含む): 74195940

約数和(自身を除く): 52627620

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 7489, 14978, 22467, 29956, 37445, 44934, 59912, 67401, 74890, 89868, 112335, 119824, 134802, 149780, 179736, 224670, 239648, 269604, 299560, 337005, 359472, 449340, 479296, 539208, 599120, 674010, 718944, 898680, 1078416, 1198240, 1348020, 1437888, 1797360, 2156832, 2396480, 2696040, 3594720, 4313664, 5392080, 7189440, 10784160, 21568320]

約数ペア:

[(1, 21568320), (2, 10784160), (3, 7189440), (4, 5392080), (5, 4313664), (6, 3594720), (8, 2696040), (9, 2396480), (10, 2156832), (12, 1797360), (15, 1437888), (16, 1348020), (18, 1198240), (20, 1078416), (24, 898680), (30, 718944), (32, 674010), (36, 599120), (40, 539208), (45, 479296), (48, 449340), (60, 359472), (64, 337005), (72, 299560), (80, 269604), (90, 239648), (96, 224670), (120, 179736), (144, 149780), (160, 134802), (180, 119824), (192, 112335), (240, 89868), (288, 74890), (320, 67401), (360, 59912), (480, 44934), (576, 37445), (720, 29956), (960, 22467), (1440, 14978), (2880, 7489)]