81576160

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:296

約数の個数: 96

約数和(自身を含む): 201180672

約数和(自身を除く): 119604512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 71, 80, 86, 142, 160, 167, 172, 215, 284, 334, 344, 355, 430, 568, 668, 688, 710, 835, 860, 1136, 1336, 1376, 1420, 1670, 1720, 2272, 2672, 2840, 3053, 3340, 3440, 5344, 5680, 6106, 6680, 6880, 7181, 11360, 11857, 12212, 13360, 14362, 15265, 23714, 24424, 26720, 28724, 30530, 35905, 47428, 48848, 57448, 59285, 61060, 71810, 94856, 97696, 114896, 118570, 122120, 143620, 189712, 229792, 237140, 244240, 287240, 379424, 474280, 488480, 509851, 574480, 948560, 1019702, 1148960, 1897120, 2039404, 2549255, 4078808, 5098510, 8157616, 10197020, 16315232, 20394040, 40788080, 81576160]

約数ペア:

[(1, 81576160), (2, 40788080), (4, 20394040), (5, 16315232), (8, 10197020), (10, 8157616), (16, 5098510), (20, 4078808), (32, 2549255), (40, 2039404), (43, 1897120), (71, 1148960), (80, 1019702), (86, 948560), (142, 574480), (160, 509851), (167, 488480), (172, 474280), (215, 379424), (284, 287240), (334, 244240), (344, 237140), (355, 229792), (430, 189712), (568, 143620), (668, 122120), (688, 118570), (710, 114896), (835, 97696), (860, 94856), (1136, 71810), (1336, 61060), (1376, 59285), (1420, 57448), (1670, 48848), (1720, 47428), (2272, 35905), (2672, 30530), (2840, 28724), (3053, 26720), (3340, 24424), (3440, 23714), (5344, 15265), (5680, 14362), (6106, 13360), (6680, 12212), (6880, 11857), (7181, 11360)]