216122940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{9923}}^1$

素因数の和:9960

約数の個数: 108

約数和(自身を含む): 720661032

約数和(自身を除く): 504538092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 990, 1089, 1210, 1452, 1815, 1980, 2178, 2420, 3630, 4356, 5445, 7260, 9923, 10890, 19846, 21780, 29769, 39692, 49615, 59538, 89307, 99230, 109153, 119076, 148845, 178614, 198460, 218306, 297690, 327459, 357228, 436612, 446535, 545765, 595380, 654918, 893070, 982377, 1091530, 1200683, 1309836, 1637295, 1786140, 1964754, 2183060, 2401366, 3274590, 3602049, 3929508, 4802732, 4911885, 6003415, 6549180, 7204098, 9823770, 10806147, 12006830, 14408196, 18010245, 19647540, 21612294, 24013660, 36020490, 43224588, 54030735, 72040980, 108061470, 216122940]

約数ペア:

[(1, 216122940), (2, 108061470), (3, 72040980), (4, 54030735), (5, 43224588), (6, 36020490), (9, 24013660), (10, 21612294), (11, 19647540), (12, 18010245), (15, 14408196), (18, 12006830), (20, 10806147), (22, 9823770), (30, 7204098), (33, 6549180), (36, 6003415), (44, 4911885), (45, 4802732), (55, 3929508), (60, 3602049), (66, 3274590), (90, 2401366), (99, 2183060), (110, 1964754), (121, 1786140), (132, 1637295), (165, 1309836), (180, 1200683), (198, 1091530), (220, 982377), (242, 893070), (330, 654918), (363, 595380), (396, 545765), (484, 446535), (495, 436612), (605, 357228), (660, 327459), (726, 297690), (990, 218306), (1089, 198460), (1210, 178614), (1452, 148845), (1815, 119076), (1980, 109153), (2178, 99230), (2420, 89307), (3630, 59538), (4356, 49615), (5445, 39692), (7260, 29769), (9923, 21780), (10890, 19846)]