205454664

素因数分解:

$2^3\times 3^3\times {\mathrm{661}}^1\times {\mathrm{1439}}^1$

素因数の和:2115

約数の個数: 64

約数和(自身を含む): 571968000

約数和(自身を除く): 366513336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 661, 1322, 1439, 1983, 2644, 2878, 3966, 4317, 5288, 5756, 5949, 7932, 8634, 11512, 11898, 12951, 15864, 17268, 17847, 23796, 25902, 34536, 35694, 38853, 47592, 51804, 71388, 77706, 103608, 142776, 155412, 310824, 951179, 1902358, 2853537, 3804716, 5707074, 7609432, 8560611, 11414148, 17121222, 22828296, 25681833, 34242444, 51363666, 68484888, 102727332, 205454664]

約数ペア:

[(1, 205454664), (2, 102727332), (3, 68484888), (4, 51363666), (6, 34242444), (8, 25681833), (9, 22828296), (12, 17121222), (18, 11414148), (24, 8560611), (27, 7609432), (36, 5707074), (54, 3804716), (72, 2853537), (108, 1902358), (216, 951179), (661, 310824), (1322, 155412), (1439, 142776), (1983, 103608), (2644, 77706), (2878, 71388), (3966, 51804), (4317, 47592), (5288, 38853), (5756, 35694), (5949, 34536), (7932, 25902), (8634, 23796), (11512, 17847), (11898, 17268), (12951, 15864)]