205654960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2281}}^1$

素因数の和:2331

約数の個数: 120

約数和(自身を含む): 580650336

約数和(自身を除く): 374995376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 161, 184, 196, 230, 245, 280, 322, 368, 392, 460, 490, 560, 644, 784, 805, 920, 980, 1127, 1288, 1610, 1840, 1960, 2254, 2281, 2576, 3220, 3920, 4508, 4562, 5635, 6440, 9016, 9124, 11270, 11405, 12880, 15967, 18032, 18248, 22540, 22810, 31934, 36496, 45080, 45620, 52463, 63868, 79835, 90160, 91240, 104926, 111769, 127736, 159670, 182480, 209852, 223538, 255472, 262315, 319340, 367241, 419704, 447076, 524630, 558845, 638680, 734482, 839408, 894152, 1049260, 1117690, 1277360, 1468964, 1788304, 1836205, 2098520, 2235380, 2570687, 2937928, 3672410, 4197040, 4470760, 5141374, 5875856, 7344820, 8941520, 10282748, 12853435, 14689640, 20565496, 25706870, 29379280, 41130992, 51413740, 102827480, 205654960]

約数ペア:

[(1, 205654960), (2, 102827480), (4, 51413740), (5, 41130992), (7, 29379280), (8, 25706870), (10, 20565496), (14, 14689640), (16, 12853435), (20, 10282748), (23, 8941520), (28, 7344820), (35, 5875856), (40, 5141374), (46, 4470760), (49, 4197040), (56, 3672410), (70, 2937928), (80, 2570687), (92, 2235380), (98, 2098520), (112, 1836205), (115, 1788304), (140, 1468964), (161, 1277360), (184, 1117690), (196, 1049260), (230, 894152), (245, 839408), (280, 734482), (322, 638680), (368, 558845), (392, 524630), (460, 447076), (490, 419704), (560, 367241), (644, 319340), (784, 262315), (805, 255472), (920, 223538), (980, 209852), (1127, 182480), (1288, 159670), (1610, 127736), (1840, 111769), (1960, 104926), (2254, 91240), (2281, 90160), (2576, 79835), (3220, 63868), (3920, 52463), (4508, 45620), (4562, 45080), (5635, 36496), (6440, 31934), (9016, 22810), (9124, 22540), (11270, 18248), (11405, 18032), (12880, 15967)]