261248328

素因数分解:

$2^3\times 3^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:694

約数の個数: 192

約数和(自身を含む): 843897600

約数和(自身を除く): 582649272

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 19, 22, 24, 27, 33, 36, 38, 44, 54, 57, 66, 72, 76, 81, 88, 99, 108, 114, 132, 152, 162, 171, 198, 209, 216, 228, 243, 264, 297, 324, 342, 396, 418, 456, 486, 513, 594, 627, 643, 648, 684, 792, 836, 891, 972, 1026, 1188, 1254, 1286, 1368, 1539, 1672, 1782, 1881, 1929, 1944, 2052, 2376, 2508, 2572, 2673, 3078, 3564, 3762, 3858, 4104, 4617, 5016, 5144, 5346, 5643, 5787, 6156, 7073, 7128, 7524, 7716, 9234, 10692, 11286, 11574, 12217, 12312, 14146, 15048, 15432, 16929, 17361, 18468, 21219, 21384, 22572, 23148, 24434, 28292, 33858, 34722, 36651, 36936, 42438, 45144, 46296, 48868, 50787, 52083, 56584, 63657, 67716, 69444, 73302, 84876, 97736, 101574, 104166, 109953, 127314, 134387, 135432, 138888, 146604, 156249, 169752, 190971, 203148, 208332, 219906, 254628, 268774, 293208, 312498, 329859, 381942, 403161, 406296, 416664, 439812, 509256, 537548, 572913, 624996, 659718, 763884, 806322, 879624, 989577, 1075096, 1145826, 1209483, 1249992, 1319436, 1527768, 1612644, 1718739, 1979154, 2291652, 2418966, 2638872, 2968731, 3225288, 3437478, 3628449, 3958308, 4583304, 4837932, 5937462, 6874956, 7256898, 7916616, 9675864, 10885347, 11874924, 13749912, 14513796, 21770694, 23749848, 29027592, 32656041, 43541388, 65312082, 87082776, 130624164, 261248328]

約数ペア:

[(1, 261248328), (2, 130624164), (3, 87082776), (4, 65312082), (6, 43541388), (8, 32656041), (9, 29027592), (11, 23749848), (12, 21770694), (18, 14513796), (19, 13749912), (22, 11874924), (24, 10885347), (27, 9675864), (33, 7916616), (36, 7256898), (38, 6874956), (44, 5937462), (54, 4837932), (57, 4583304), (66, 3958308), (72, 3628449), (76, 3437478), (81, 3225288), (88, 2968731), (99, 2638872), (108, 2418966), (114, 2291652), (132, 1979154), (152, 1718739), (162, 1612644), (171, 1527768), (198, 1319436), (209, 1249992), (216, 1209483), (228, 1145826), (243, 1075096), (264, 989577), (297, 879624), (324, 806322), (342, 763884), (396, 659718), (418, 624996), (456, 572913), (486, 537548), (513, 509256), (594, 439812), (627, 416664), (643, 406296), (648, 403161), (684, 381942), (792, 329859), (836, 312498), (891, 293208), (972, 268774), (1026, 254628), (1188, 219906), (1254, 208332), (1286, 203148), (1368, 190971), (1539, 169752), (1672, 156249), (1782, 146604), (1881, 138888), (1929, 135432), (1944, 134387), (2052, 127314), (2376, 109953), (2508, 104166), (2572, 101574), (2673, 97736), (3078, 84876), (3564, 73302), (3762, 69444), (3858, 67716), (4104, 63657), (4617, 56584), (5016, 52083), (5144, 50787), (5346, 48868), (5643, 46296), (5787, 45144), (6156, 42438), (7073, 36936), (7128, 36651), (7524, 34722), (7716, 33858), (9234, 28292), (10692, 24434), (11286, 23148), (11574, 22572), (12217, 21384), (12312, 21219), (14146, 18468), (15048, 17361), (15432, 16929)]