404845457920

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1669}}^1\times {\mathrm{4987}}^1$

素因数の和:6698

約数の個数: 160

約数和(自身を含む): 1022585889600

約数和(自身を除く): 617740431680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 1216, 1280, 1520, 1669, 2432, 2560, 3040, 3338, 4864, 4987, 6080, 6676, 8345, 9728, 9974, 12160, 13352, 16690, 19948, 24320, 24935, 26704, 31711, 33380, 39896, 48640, 49870, 53408, 63422, 66760, 79792, 94753, 99740, 106816, 126844, 133520, 158555, 159584, 189506, 199480, 213632, 253688, 267040, 317110, 319168, 379012, 398960, 427264, 473765, 507376, 534080, 634220, 638336, 758024, 797920, 854528, 947530, 1014752, 1068160, 1268440, 1276672, 1516048, 1595840, 1895060, 2029504, 2136320, 2536880, 2553344, 3032096, 3191680, 3790120, 4059008, 4272640, 5073760, 6064192, 6383360, 7580240, 8118016, 8323303, 10147520, 12128384, 12766720, 15160480, 16236032, 16646606, 20295040, 24256768, 30320960, 33293212, 40590080, 41616515, 48513536, 60641920, 66586424, 81180160, 83233030, 121283840, 133172848, 158142757, 166466060, 242567680, 266345696, 316285514, 332932120, 532691392, 632571028, 665864240, 790713785, 1065382784, 1265142056, 1331728480, 1581427570, 2130765568, 2530284112, 2663456960, 3162855140, 4261531136, 5060568224, 5326913920, 6325710280, 10121136448, 10653827840, 12651420560, 20242272896, 21307655680, 25302841120, 40484545792, 50605682240, 80969091584, 101211364480, 202422728960, 404845457920]

約数ペア:

[(1, 404845457920), (2, 202422728960), (4, 101211364480), (5, 80969091584), (8, 50605682240), (10, 40484545792), (16, 25302841120), (19, 21307655680), (20, 20242272896), (32, 12651420560), (38, 10653827840), (40, 10121136448), (64, 6325710280), (76, 5326913920), (80, 5060568224), (95, 4261531136), (128, 3162855140), (152, 2663456960), (160, 2530284112), (190, 2130765568), (256, 1581427570), (304, 1331728480), (320, 1265142056), (380, 1065382784), (512, 790713785), (608, 665864240), (640, 632571028), (760, 532691392), (1216, 332932120), (1280, 316285514), (1520, 266345696), (1669, 242567680), (2432, 166466060), (2560, 158142757), (3040, 133172848), (3338, 121283840), (4864, 83233030), (4987, 81180160), (6080, 66586424), (6676, 60641920), (8345, 48513536), (9728, 41616515), (9974, 40590080), (12160, 33293212), (13352, 30320960), (16690, 24256768), (19948, 20295040), (24320, 16646606), (24935, 16236032), (26704, 15160480), (31711, 12766720), (33380, 12128384), (39896, 10147520), (48640, 8323303), (49870, 8118016), (53408, 7580240), (63422, 6383360), (66760, 6064192), (79792, 5073760), (94753, 4272640), (99740, 4059008), (106816, 3790120), (126844, 3191680), (133520, 3032096), (158555, 2553344), (159584, 2536880), (189506, 2136320), (199480, 2029504), (213632, 1895060), (253688, 1595840), (267040, 1516048), (317110, 1276672), (319168, 1268440), (379012, 1068160), (398960, 1014752), (427264, 947530), (473765, 854528), (507376, 797920), (534080, 758024), (634220, 638336)]