164914120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1399}}^1$

素因数の和:1838

約数の個数: 64

約数和(自身を含む): 425376000

約数和(自身を除く): 260461880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 421, 842, 1399, 1684, 2105, 2798, 2947, 3368, 4210, 5596, 5894, 6995, 8420, 9793, 11192, 11788, 13990, 14735, 16840, 19586, 23576, 27980, 29470, 39172, 48965, 55960, 58940, 78344, 97930, 117880, 195860, 391720, 588979, 1177958, 2355916, 2944895, 4122853, 4711832, 5889790, 8245706, 11779580, 16491412, 20614265, 23559160, 32982824, 41228530, 82457060, 164914120]

約数ペア:

[(1, 164914120), (2, 82457060), (4, 41228530), (5, 32982824), (7, 23559160), (8, 20614265), (10, 16491412), (14, 11779580), (20, 8245706), (28, 5889790), (35, 4711832), (40, 4122853), (56, 2944895), (70, 2355916), (140, 1177958), (280, 588979), (421, 391720), (842, 195860), (1399, 117880), (1684, 97930), (2105, 78344), (2798, 58940), (2947, 55960), (3368, 48965), (4210, 39172), (5596, 29470), (5894, 27980), (6995, 23576), (8420, 19586), (9793, 16840), (11192, 14735), (11788, 13990)]