261782010

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:498

約数の個数: 192

約数和(自身を含む): 831306240

約数和(自身を除く): 569524230

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 47, 49, 54, 63, 70, 90, 94, 98, 105, 126, 135, 141, 147, 189, 210, 235, 245, 270, 282, 294, 315, 329, 378, 421, 423, 441, 470, 490, 630, 658, 705, 735, 842, 846, 882, 945, 987, 1263, 1269, 1323, 1410, 1470, 1645, 1890, 1974, 2105, 2115, 2205, 2303, 2526, 2538, 2646, 2947, 2961, 3290, 3789, 4210, 4230, 4410, 4606, 4935, 5894, 5922, 6315, 6345, 6615, 6909, 7578, 8841, 8883, 9870, 11367, 11515, 12630, 12690, 13230, 13818, 14735, 14805, 17682, 17766, 18945, 19787, 20629, 20727, 22734, 23030, 26523, 29470, 29610, 34545, 37890, 39574, 41258, 41454, 44205, 44415, 53046, 56835, 59361, 61887, 62181, 69090, 79569, 88410, 88830, 98935, 103145, 103635, 113670, 118722, 123774, 124362, 132615, 138509, 159138, 178083, 185661, 197870, 206290, 207270, 265230, 277018, 296805, 309435, 310905, 356166, 371322, 397845, 415527, 534249, 556983, 593610, 618870, 621810, 692545, 795690, 831054, 890415, 928305, 969563, 1068498, 1113966, 1246581, 1385090, 1780830, 1856610, 1939126, 2077635, 2493162, 2671245, 2784915, 2908689, 3739743, 4155270, 4847815, 5342490, 5569830, 5817378, 6232905, 7479486, 8726067, 9695630, 12465810, 14543445, 17452134, 18698715, 26178201, 29086890, 37397430, 43630335, 52356402, 87260670, 130891005, 261782010]

約数ペア:

[(1, 261782010), (2, 130891005), (3, 87260670), (5, 52356402), (6, 43630335), (7, 37397430), (9, 29086890), (10, 26178201), (14, 18698715), (15, 17452134), (18, 14543445), (21, 12465810), (27, 9695630), (30, 8726067), (35, 7479486), (42, 6232905), (45, 5817378), (47, 5569830), (49, 5342490), (54, 4847815), (63, 4155270), (70, 3739743), (90, 2908689), (94, 2784915), (98, 2671245), (105, 2493162), (126, 2077635), (135, 1939126), (141, 1856610), (147, 1780830), (189, 1385090), (210, 1246581), (235, 1113966), (245, 1068498), (270, 969563), (282, 928305), (294, 890415), (315, 831054), (329, 795690), (378, 692545), (421, 621810), (423, 618870), (441, 593610), (470, 556983), (490, 534249), (630, 415527), (658, 397845), (705, 371322), (735, 356166), (842, 310905), (846, 309435), (882, 296805), (945, 277018), (987, 265230), (1263, 207270), (1269, 206290), (1323, 197870), (1410, 185661), (1470, 178083), (1645, 159138), (1890, 138509), (1974, 132615), (2105, 124362), (2115, 123774), (2205, 118722), (2303, 113670), (2526, 103635), (2538, 103145), (2646, 98935), (2947, 88830), (2961, 88410), (3290, 79569), (3789, 69090), (4210, 62181), (4230, 61887), (4410, 59361), (4606, 56835), (4935, 53046), (5894, 44415), (5922, 44205), (6315, 41454), (6345, 41258), (6615, 39574), (6909, 37890), (7578, 34545), (8841, 29610), (8883, 29470), (9870, 26523), (11367, 23030), (11515, 22734), (12630, 20727), (12690, 20629), (13230, 19787), (13818, 18945), (14735, 17766), (14805, 17682)]