181704640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1409}}^1$

素因数の和:1470

約数の個数: 112

約数和(自身を含む): 481340160

約数和(自身を除く): 299635520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 992, 1040, 1240, 1409, 1612, 1984, 2015, 2080, 2480, 2818, 3224, 4030, 4160, 4960, 5636, 6448, 7045, 8060, 9920, 11272, 12896, 14090, 16120, 18317, 22544, 25792, 28180, 32240, 36634, 43679, 45088, 56360, 64480, 73268, 87358, 90176, 91585, 112720, 128960, 146536, 174716, 183170, 218395, 225440, 293072, 349432, 366340, 436790, 450880, 567827, 586144, 698864, 732680, 873580, 1135654, 1172288, 1397728, 1465360, 1747160, 2271308, 2795456, 2839135, 2930720, 3494320, 4542616, 5678270, 5861440, 6988640, 9085232, 11356540, 13977280, 18170464, 22713080, 36340928, 45426160, 90852320, 181704640]

約数ペア:

[(1, 181704640), (2, 90852320), (4, 45426160), (5, 36340928), (8, 22713080), (10, 18170464), (13, 13977280), (16, 11356540), (20, 9085232), (26, 6988640), (31, 5861440), (32, 5678270), (40, 4542616), (52, 3494320), (62, 2930720), (64, 2839135), (65, 2795456), (80, 2271308), (104, 1747160), (124, 1465360), (130, 1397728), (155, 1172288), (160, 1135654), (208, 873580), (248, 732680), (260, 698864), (310, 586144), (320, 567827), (403, 450880), (416, 436790), (496, 366340), (520, 349432), (620, 293072), (806, 225440), (832, 218395), (992, 183170), (1040, 174716), (1240, 146536), (1409, 128960), (1612, 112720), (1984, 91585), (2015, 90176), (2080, 87358), (2480, 73268), (2818, 64480), (3224, 56360), (4030, 45088), (4160, 43679), (4960, 36634), (5636, 32240), (6448, 28180), (7045, 25792), (8060, 22544), (9920, 18317), (11272, 16120), (12896, 14090)]