1279707960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1\times {\mathrm{431}}^1$

素因数の和:781

約数の個数: 128

約数和(自身を含む): 3900441600

約数和(自身を除く): 2620733640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 109, 120, 218, 227, 327, 431, 436, 454, 545, 654, 681, 862, 872, 908, 1090, 1135, 1293, 1308, 1362, 1635, 1724, 1816, 2155, 2180, 2270, 2586, 2616, 2724, 3270, 3405, 3448, 4310, 4360, 4540, 5172, 5448, 6465, 6540, 6810, 8620, 9080, 10344, 12930, 13080, 13620, 17240, 24743, 25860, 27240, 46979, 49486, 51720, 74229, 93958, 97837, 98972, 123715, 140937, 148458, 187916, 195674, 197944, 234895, 247430, 281874, 293511, 296916, 371145, 375832, 391348, 469790, 489185, 494860, 563748, 587022, 593832, 704685, 742290, 782696, 939580, 978370, 989720, 1127496, 1174044, 1409370, 1467555, 1484580, 1879160, 1956740, 2348088, 2818740, 2935110, 2969160, 3913480, 5637480, 5870220, 10664233, 11740440, 21328466, 31992699, 42656932, 53321165, 63985398, 85313864, 106642330, 127970796, 159963495, 213284660, 255941592, 319926990, 426569320, 639853980, 1279707960]

約数ペア:

[(1, 1279707960), (2, 639853980), (3, 426569320), (4, 319926990), (5, 255941592), (6, 213284660), (8, 159963495), (10, 127970796), (12, 106642330), (15, 85313864), (20, 63985398), (24, 53321165), (30, 42656932), (40, 31992699), (60, 21328466), (109, 11740440), (120, 10664233), (218, 5870220), (227, 5637480), (327, 3913480), (431, 2969160), (436, 2935110), (454, 2818740), (545, 2348088), (654, 1956740), (681, 1879160), (862, 1484580), (872, 1467555), (908, 1409370), (1090, 1174044), (1135, 1127496), (1293, 989720), (1308, 978370), (1362, 939580), (1635, 782696), (1724, 742290), (1816, 704685), (2155, 593832), (2180, 587022), (2270, 563748), (2586, 494860), (2616, 489185), (2724, 469790), (3270, 391348), (3405, 375832), (3448, 371145), (4310, 296916), (4360, 293511), (4540, 281874), (5172, 247430), (5448, 234895), (6465, 197944), (6540, 195674), (6810, 187916), (8620, 148458), (9080, 140937), (10344, 123715), (12930, 98972), (13080, 97837), (13620, 93958), (17240, 74229), (24743, 51720), (25860, 49486), (27240, 46979)]