261567982575

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{911}}^1\times {\mathrm{1429}}^1$

素因数の和:2422

約数の個数: 144

約数和(自身を含む): 504553420800

約数和(自身を除く): 242985438225

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 47, 57, 75, 95, 141, 171, 225, 235, 285, 423, 475, 705, 855, 893, 911, 1175, 1425, 1429, 2115, 2679, 2733, 3525, 4275, 4287, 4465, 4555, 7145, 8037, 8199, 10575, 12861, 13395, 13665, 17309, 21435, 22325, 22775, 27151, 35725, 40185, 40995, 42817, 51927, 64305, 66975, 67163, 68325, 81453, 86545, 107175, 128451, 135755, 155781, 200925, 201489, 204975, 214085, 244359, 259635, 321525, 335815, 385353, 407265, 432725, 604467, 642255, 678775, 778905, 813523, 1007445, 1070425, 1221795, 1276097, 1298175, 1301819, 1679075, 1926765, 2036325, 2440569, 3022335, 3211275, 3828291, 3894525, 3905457, 4067615, 5037225, 6108975, 6380485, 6509095, 7321707, 9633825, 11484873, 11716371, 12202845, 15111675, 19141455, 19527285, 20338075, 24734561, 31902425, 32545475, 36608535, 57424365, 58581855, 61014225, 61185493, 74203683, 95707275, 97636425, 123672805, 183042675, 183556479, 222611049, 287121825, 292909275, 305927465, 371018415, 550669437, 618364025, 917782395, 1113055245, 1162524367, 1529637325, 1855092075, 2753347185, 3487573101, 4588911975, 5565276225, 5812621835, 10462719303, 13766735925, 17437865505, 29063109175, 52313596515, 87189327525, 261567982575]

約数ペア:

[(1, 261567982575), (3, 87189327525), (5, 52313596515), (9, 29063109175), (15, 17437865505), (19, 13766735925), (25, 10462719303), (45, 5812621835), (47, 5565276225), (57, 4588911975), (75, 3487573101), (95, 2753347185), (141, 1855092075), (171, 1529637325), (225, 1162524367), (235, 1113055245), (285, 917782395), (423, 618364025), (475, 550669437), (705, 371018415), (855, 305927465), (893, 292909275), (911, 287121825), (1175, 222611049), (1425, 183556479), (1429, 183042675), (2115, 123672805), (2679, 97636425), (2733, 95707275), (3525, 74203683), (4275, 61185493), (4287, 61014225), (4465, 58581855), (4555, 57424365), (7145, 36608535), (8037, 32545475), (8199, 31902425), (10575, 24734561), (12861, 20338075), (13395, 19527285), (13665, 19141455), (17309, 15111675), (21435, 12202845), (22325, 11716371), (22775, 11484873), (27151, 9633825), (35725, 7321707), (40185, 6509095), (40995, 6380485), (42817, 6108975), (51927, 5037225), (64305, 4067615), (66975, 3905457), (67163, 3894525), (68325, 3828291), (81453, 3211275), (86545, 3022335), (107175, 2440569), (128451, 2036325), (135755, 1926765), (155781, 1679075), (200925, 1301819), (201489, 1298175), (204975, 1276097), (214085, 1221795), (244359, 1070425), (259635, 1007445), (321525, 813523), (335815, 778905), (385353, 678775), (407265, 642255), (432725, 604467)]