27788580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{587}}^1$

素因数の和:865

約数の個数: 72

約数和(自身を含む): 84756672

約数和(自身を除く): 56968092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 263, 526, 587, 789, 1052, 1174, 1315, 1578, 1761, 2348, 2367, 2630, 2935, 3156, 3522, 3945, 4734, 5260, 5283, 5870, 7044, 7890, 8805, 9468, 10566, 11740, 11835, 15780, 17610, 21132, 23670, 26415, 35220, 47340, 52830, 105660, 154381, 308762, 463143, 617524, 771905, 926286, 1389429, 1543810, 1852572, 2315715, 2778858, 3087620, 4631430, 5557716, 6947145, 9262860, 13894290, 27788580]

約数ペア:

[(1, 27788580), (2, 13894290), (3, 9262860), (4, 6947145), (5, 5557716), (6, 4631430), (9, 3087620), (10, 2778858), (12, 2315715), (15, 1852572), (18, 1543810), (20, 1389429), (30, 926286), (36, 771905), (45, 617524), (60, 463143), (90, 308762), (180, 154381), (263, 105660), (526, 52830), (587, 47340), (789, 35220), (1052, 26415), (1174, 23670), (1315, 21132), (1578, 17610), (1761, 15780), (2348, 11835), (2367, 11740), (2630, 10566), (2935, 9468), (3156, 8805), (3522, 7890), (3945, 7044), (4734, 5870), (5260, 5283)]