15206660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 37920960

約数和(自身を除く): 22714300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 59, 70, 98, 118, 140, 196, 236, 245, 263, 295, 413, 490, 526, 590, 826, 980, 1052, 1180, 1315, 1652, 1841, 2065, 2630, 2891, 3682, 4130, 5260, 5782, 7364, 8260, 9205, 11564, 12887, 14455, 15517, 18410, 25774, 28910, 31034, 36820, 51548, 57820, 62068, 64435, 77585, 108619, 128870, 155170, 217238, 257740, 310340, 434476, 543095, 760333, 1086190, 1520666, 2172380, 3041332, 3801665, 7603330, 15206660]

約数ペア:

[(1, 15206660), (2, 7603330), (4, 3801665), (5, 3041332), (7, 2172380), (10, 1520666), (14, 1086190), (20, 760333), (28, 543095), (35, 434476), (49, 310340), (59, 257740), (70, 217238), (98, 155170), (118, 128870), (140, 108619), (196, 77585), (236, 64435), (245, 62068), (263, 57820), (295, 51548), (413, 36820), (490, 31034), (526, 28910), (590, 25774), (826, 18410), (980, 15517), (1052, 14455), (1180, 12887), (1315, 11564), (1652, 9205), (1841, 8260), (2065, 7364), (2630, 5782), (2891, 5260), (3682, 4130)]