261207121920

素因数分解:

$2^{13}\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{31727}}^1$

素因数の和:31828

約数の個数: 224

約数和(自身を含む): 848313312768

約数和(自身を除く): 587106190848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 67, 80, 96, 120, 128, 134, 160, 192, 201, 240, 256, 268, 320, 335, 384, 402, 480, 512, 536, 640, 670, 768, 804, 960, 1005, 1024, 1072, 1280, 1340, 1536, 1608, 1920, 2010, 2048, 2144, 2560, 2680, 3072, 3216, 3840, 4020, 4096, 4288, 5120, 5360, 6144, 6432, 7680, 8040, 8192, 8576, 10240, 10720, 12288, 12864, 15360, 16080, 17152, 20480, 21440, 24576, 25728, 30720, 31727, 32160, 34304, 40960, 42880, 51456, 61440, 63454, 64320, 68608, 85760, 95181, 102912, 122880, 126908, 128640, 137216, 158635, 171520, 190362, 205824, 253816, 257280, 274432, 317270, 343040, 380724, 411648, 475905, 507632, 514560, 548864, 634540, 686080, 761448, 823296, 951810, 1015264, 1029120, 1269080, 1372160, 1522896, 1646592, 1903620, 2030528, 2058240, 2125709, 2538160, 2744320, 3045792, 3807240, 4061056, 4116480, 4251418, 5076320, 6091584, 6377127, 7614480, 8122112, 8232960, 8502836, 10152640, 10628545, 12183168, 12754254, 15228960, 16244224, 17005672, 20305280, 21257090, 24366336, 25508508, 30457920, 31885635, 32488448, 34011344, 40610560, 42514180, 48732672, 51017016, 60915840, 63771270, 64976896, 68022688, 81221120, 85028360, 97465344, 102034032, 121831680, 127542540, 129953792, 136045376, 162442240, 170056720, 194930688, 204068064, 243663360, 255085080, 259907584, 272090752, 324884480, 340113440, 389861376, 408136128, 487326720, 510170160, 544181504, 649768960, 680226880, 779722752, 816272256, 974653440, 1020340320, 1088363008, 1299537920, 1360453760, 1632544512, 1949306880, 2040680640, 2176726016, 2720907520, 3265089024, 3898613760, 4081361280, 4353452032, 5441815040, 6530178048, 8162722560, 8706904064, 10883630080, 13060356096, 16325445120, 17413808128, 21767260160, 26120712192, 32650890240, 43534520320, 52241424384, 65301780480, 87069040640, 130603560960, 261207121920]

約数ペア:

[(1, 261207121920), (2, 130603560960), (3, 87069040640), (4, 65301780480), (5, 52241424384), (6, 43534520320), (8, 32650890240), (10, 26120712192), (12, 21767260160), (15, 17413808128), (16, 16325445120), (20, 13060356096), (24, 10883630080), (30, 8706904064), (32, 8162722560), (40, 6530178048), (48, 5441815040), (60, 4353452032), (64, 4081361280), (67, 3898613760), (80, 3265089024), (96, 2720907520), (120, 2176726016), (128, 2040680640), (134, 1949306880), (160, 1632544512), (192, 1360453760), (201, 1299537920), (240, 1088363008), (256, 1020340320), (268, 974653440), (320, 816272256), (335, 779722752), (384, 680226880), (402, 649768960), (480, 544181504), (512, 510170160), (536, 487326720), (640, 408136128), (670, 389861376), (768, 340113440), (804, 324884480), (960, 272090752), (1005, 259907584), (1024, 255085080), (1072, 243663360), (1280, 204068064), (1340, 194930688), (1536, 170056720), (1608, 162442240), (1920, 136045376), (2010, 129953792), (2048, 127542540), (2144, 121831680), (2560, 102034032), (2680, 97465344), (3072, 85028360), (3216, 81221120), (3840, 68022688), (4020, 64976896), (4096, 63771270), (4288, 60915840), (5120, 51017016), (5360, 48732672), (6144, 42514180), (6432, 40610560), (7680, 34011344), (8040, 32488448), (8192, 31885635), (8576, 30457920), (10240, 25508508), (10720, 24366336), (12288, 21257090), (12864, 20305280), (15360, 17005672), (16080, 16244224), (17152, 15228960), (20480, 12754254), (21440, 12183168), (24576, 10628545), (25728, 10152640), (30720, 8502836), (31727, 8232960), (32160, 8122112), (34304, 7614480), (40960, 6377127), (42880, 6091584), (51456, 5076320), (61440, 4251418), (63454, 4116480), (64320, 4061056), (68608, 3807240), (85760, 3045792), (95181, 2744320), (102912, 2538160), (122880, 2125709), (126908, 2058240), (128640, 2030528), (137216, 1903620), (158635, 1646592), (171520, 1522896), (190362, 1372160), (205824, 1269080), (253816, 1029120), (257280, 1015264), (274432, 951810), (317270, 823296), (343040, 761448), (380724, 686080), (411648, 634540), (475905, 548864), (507632, 514560)]