164774120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{2789}}^1$

素因数の和:3018

約数の個数: 64

約数和(自身を含む): 425865600

約数和(自身を除く): 261091480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 211, 280, 422, 844, 1055, 1477, 1688, 2110, 2789, 2954, 4220, 5578, 5908, 7385, 8440, 11156, 11816, 13945, 14770, 19523, 22312, 27890, 29540, 39046, 55780, 59080, 78092, 97615, 111560, 156184, 195230, 390460, 588479, 780920, 1176958, 2353916, 2942395, 4119353, 4707832, 5884790, 8238706, 11769580, 16477412, 20596765, 23539160, 32954824, 41193530, 82387060, 164774120]

約数ペア:

[(1, 164774120), (2, 82387060), (4, 41193530), (5, 32954824), (7, 23539160), (8, 20596765), (10, 16477412), (14, 11769580), (20, 8238706), (28, 5884790), (35, 4707832), (40, 4119353), (56, 2942395), (70, 2353916), (140, 1176958), (211, 780920), (280, 588479), (422, 390460), (844, 195230), (1055, 156184), (1477, 111560), (1688, 97615), (2110, 78092), (2789, 59080), (2954, 55780), (4220, 39046), (5578, 29540), (5908, 27890), (7385, 22312), (8440, 19523), (11156, 14770), (11816, 13945)]