42120820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 107347968

約数和(自身を除く): 65227148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 103, 115, 127, 140, 161, 206, 230, 254, 322, 412, 460, 508, 515, 635, 644, 721, 805, 889, 1030, 1270, 1442, 1610, 1778, 2060, 2369, 2540, 2884, 2921, 3220, 3556, 3605, 4445, 4738, 5842, 7210, 8890, 9476, 11684, 11845, 13081, 14420, 14605, 16583, 17780, 20447, 23690, 26162, 29210, 33166, 40894, 47380, 52324, 58420, 65405, 66332, 81788, 82915, 91567, 102235, 130810, 165830, 183134, 204470, 261620, 300863, 331660, 366268, 408940, 457835, 601726, 915670, 1203452, 1504315, 1831340, 2106041, 3008630, 4212082, 6017260, 8424164, 10530205, 21060410, 42120820]

約数ペア:

[(1, 42120820), (2, 21060410), (4, 10530205), (5, 8424164), (7, 6017260), (10, 4212082), (14, 3008630), (20, 2106041), (23, 1831340), (28, 1504315), (35, 1203452), (46, 915670), (70, 601726), (92, 457835), (103, 408940), (115, 366268), (127, 331660), (140, 300863), (161, 261620), (206, 204470), (230, 183134), (254, 165830), (322, 130810), (412, 102235), (460, 91567), (508, 82915), (515, 81788), (635, 66332), (644, 65405), (721, 58420), (805, 52324), (889, 47380), (1030, 40894), (1270, 33166), (1442, 29210), (1610, 26162), (1778, 23690), (2060, 20447), (2369, 17780), (2540, 16583), (2884, 14605), (2921, 14420), (3220, 13081), (3556, 11845), (3605, 11684), (4445, 9476), (4738, 8890), (5842, 7210)]