261788340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{337}}^1$

素因数の和:478

約数の個数: 144

約数和(自身を含む): 815645376

約数和(自身を除く): 553857036

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 107, 110, 121, 132, 165, 214, 220, 242, 321, 330, 337, 363, 428, 484, 535, 605, 642, 660, 674, 726, 1011, 1070, 1177, 1210, 1284, 1348, 1452, 1605, 1685, 1815, 2022, 2140, 2354, 2420, 3210, 3370, 3531, 3630, 3707, 4044, 4708, 5055, 5885, 6420, 6740, 7062, 7260, 7414, 10110, 11121, 11770, 12947, 14124, 14828, 17655, 18535, 20220, 22242, 23540, 25894, 35310, 36059, 37070, 38841, 40777, 44484, 51788, 55605, 64735, 70620, 72118, 74140, 77682, 81554, 108177, 111210, 122331, 129470, 144236, 155364, 163108, 180295, 194205, 203885, 216354, 222420, 244662, 258940, 360590, 388410, 396649, 407770, 432708, 489324, 540885, 611655, 721180, 776820, 793298, 815540, 1081770, 1189947, 1223310, 1586596, 1983245, 2163540, 2379894, 2446620, 3966490, 4363139, 4759788, 5949735, 7932980, 8726278, 11899470, 13089417, 17452556, 21815695, 23798940, 26178834, 43631390, 52357668, 65447085, 87262780, 130894170, 261788340]

約数ペア:

[(1, 261788340), (2, 130894170), (3, 87262780), (4, 65447085), (5, 52357668), (6, 43631390), (10, 26178834), (11, 23798940), (12, 21815695), (15, 17452556), (20, 13089417), (22, 11899470), (30, 8726278), (33, 7932980), (44, 5949735), (55, 4759788), (60, 4363139), (66, 3966490), (107, 2446620), (110, 2379894), (121, 2163540), (132, 1983245), (165, 1586596), (214, 1223310), (220, 1189947), (242, 1081770), (321, 815540), (330, 793298), (337, 776820), (363, 721180), (428, 611655), (484, 540885), (535, 489324), (605, 432708), (642, 407770), (660, 396649), (674, 388410), (726, 360590), (1011, 258940), (1070, 244662), (1177, 222420), (1210, 216354), (1284, 203885), (1348, 194205), (1452, 180295), (1605, 163108), (1685, 155364), (1815, 144236), (2022, 129470), (2140, 122331), (2354, 111210), (2420, 108177), (3210, 81554), (3370, 77682), (3531, 74140), (3630, 72118), (3707, 70620), (4044, 64735), (4708, 55605), (5055, 51788), (5885, 44484), (6420, 40777), (6740, 38841), (7062, 37070), (7260, 36059), (7414, 35310), (10110, 25894), (11121, 23540), (11770, 22242), (12947, 20220), (14124, 18535), (14828, 17655)]