23153780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:193

約数の個数: 96

約数和(自身を含む): 56918400

約数和(自身を除く): 33764620

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 43, 52, 65, 76, 86, 95, 109, 130, 172, 190, 215, 218, 247, 260, 380, 430, 436, 494, 545, 559, 817, 860, 988, 1090, 1118, 1235, 1417, 1634, 2071, 2180, 2236, 2470, 2795, 2834, 3268, 4085, 4142, 4687, 4940, 5590, 5668, 7085, 8170, 8284, 9374, 10355, 10621, 11180, 14170, 16340, 18748, 20710, 21242, 23435, 26923, 28340, 41420, 42484, 46870, 53105, 53846, 60931, 89053, 93740, 106210, 107692, 121862, 134615, 178106, 212420, 243724, 269230, 304655, 356212, 445265, 538460, 609310, 890530, 1157689, 1218620, 1781060, 2315378, 4630756, 5788445, 11576890, 23153780]

約数ペア:

[(1, 23153780), (2, 11576890), (4, 5788445), (5, 4630756), (10, 2315378), (13, 1781060), (19, 1218620), (20, 1157689), (26, 890530), (38, 609310), (43, 538460), (52, 445265), (65, 356212), (76, 304655), (86, 269230), (95, 243724), (109, 212420), (130, 178106), (172, 134615), (190, 121862), (215, 107692), (218, 106210), (247, 93740), (260, 89053), (380, 60931), (430, 53846), (436, 53105), (494, 46870), (545, 42484), (559, 41420), (817, 28340), (860, 26923), (988, 23435), (1090, 21242), (1118, 20710), (1235, 18748), (1417, 16340), (1634, 14170), (2071, 11180), (2180, 10621), (2236, 10355), (2470, 9374), (2795, 8284), (2834, 8170), (3268, 7085), (4085, 5668), (4142, 5590), (4687, 4940)]