12555620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:321

約数の個数: 96

約数和(自身を含む): 34062336

約数和(自身を除く): 21506716

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 77, 110, 124, 140, 154, 155, 217, 220, 263, 308, 310, 341, 385, 434, 526, 620, 682, 770, 868, 1052, 1085, 1315, 1364, 1540, 1705, 1841, 2170, 2387, 2630, 2893, 3410, 3682, 4340, 4774, 5260, 5786, 6820, 7364, 8153, 9205, 9548, 11572, 11935, 14465, 16306, 18410, 20251, 23870, 28930, 32612, 36820, 40502, 40765, 47740, 57071, 57860, 81004, 81530, 89683, 101255, 114142, 163060, 179366, 202510, 228284, 285355, 358732, 405020, 448415, 570710, 627781, 896830, 1141420, 1255562, 1793660, 2511124, 3138905, 6277810, 12555620]

約数ペア:

[(1, 12555620), (2, 6277810), (4, 3138905), (5, 2511124), (7, 1793660), (10, 1255562), (11, 1141420), (14, 896830), (20, 627781), (22, 570710), (28, 448415), (31, 405020), (35, 358732), (44, 285355), (55, 228284), (62, 202510), (70, 179366), (77, 163060), (110, 114142), (124, 101255), (140, 89683), (154, 81530), (155, 81004), (217, 57860), (220, 57071), (263, 47740), (308, 40765), (310, 40502), (341, 36820), (385, 32612), (434, 28930), (526, 23870), (620, 20251), (682, 18410), (770, 16306), (868, 14465), (1052, 11935), (1085, 11572), (1315, 9548), (1364, 9205), (1540, 8153), (1705, 7364), (1841, 6820), (2170, 5786), (2387, 5260), (2630, 4774), (2893, 4340), (3410, 3682)]