81275640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{39841}}^1$

素因数の和:39872

約数の個数: 64

約数和(自身を含む): 258176160

約数和(自身を除く): 176900520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 39841, 79682, 119523, 159364, 199205, 239046, 318728, 398410, 478092, 597615, 677297, 796820, 956184, 1195230, 1354594, 1593640, 2031891, 2390460, 2709188, 3386485, 4063782, 4780920, 5418376, 6772970, 8127564, 10159455, 13545940, 16255128, 20318910, 27091880, 40637820, 81275640]

約数ペア:

[(1, 81275640), (2, 40637820), (3, 27091880), (4, 20318910), (5, 16255128), (6, 13545940), (8, 10159455), (10, 8127564), (12, 6772970), (15, 5418376), (17, 4780920), (20, 4063782), (24, 3386485), (30, 2709188), (34, 2390460), (40, 2031891), (51, 1593640), (60, 1354594), (68, 1195230), (85, 956184), (102, 796820), (120, 677297), (136, 597615), (170, 478092), (204, 398410), (255, 318728), (340, 239046), (408, 199205), (510, 159364), (680, 119523), (1020, 79682), (2040, 39841)]