166277680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{122263}}^1$

素因数の和:122293

約数の個数: 40

約数和(自身を含む): 409339872

約数和(自身を除く): 243062192

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 122263, 244526, 489052, 611315, 978104, 1222630, 1956208, 2078471, 2445260, 4156942, 4890520, 8313884, 9781040, 10392355, 16627768, 20784710, 33255536, 41569420, 83138840, 166277680]

約数ペア:

[(1, 166277680), (2, 83138840), (4, 41569420), (5, 33255536), (8, 20784710), (10, 16627768), (16, 10392355), (17, 9781040), (20, 8313884), (34, 4890520), (40, 4156942), (68, 2445260), (80, 2078471), (85, 1956208), (136, 1222630), (170, 978104), (272, 611315), (340, 489052), (680, 244526), (1360, 122263)]