72484240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1109}}^1$

素因数の和:1184

約数の個数: 80

約数和(自身を含む): 181684800

約数和(自身を除く): 109200560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 43, 76, 80, 86, 95, 152, 172, 190, 215, 304, 344, 380, 430, 688, 760, 817, 860, 1109, 1520, 1634, 1720, 2218, 3268, 3440, 4085, 4436, 5545, 6536, 8170, 8872, 11090, 13072, 16340, 17744, 21071, 22180, 32680, 42142, 44360, 47687, 65360, 84284, 88720, 95374, 105355, 168568, 190748, 210710, 238435, 337136, 381496, 421420, 476870, 762992, 842840, 906053, 953740, 1685680, 1812106, 1907480, 3624212, 3814960, 4530265, 7248424, 9060530, 14496848, 18121060, 36242120, 72484240]

約数ペア:

[(1, 72484240), (2, 36242120), (4, 18121060), (5, 14496848), (8, 9060530), (10, 7248424), (16, 4530265), (19, 3814960), (20, 3624212), (38, 1907480), (40, 1812106), (43, 1685680), (76, 953740), (80, 906053), (86, 842840), (95, 762992), (152, 476870), (172, 421420), (190, 381496), (215, 337136), (304, 238435), (344, 210710), (380, 190748), (430, 168568), (688, 105355), (760, 95374), (817, 88720), (860, 84284), (1109, 65360), (1520, 47687), (1634, 44360), (1720, 42142), (2218, 32680), (3268, 22180), (3440, 21071), (4085, 17744), (4436, 16340), (5545, 13072), (6536, 11090), (8170, 8872)]