66880457984

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{347}}^1\times {\mathrm{17509}}^1$

素因数の和:17915

約数の個数: 72

約数和(自身を含む): 137005804320

約数和(自身を除く): 70125346336

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 347, 688, 694, 1376, 1388, 2752, 2776, 5504, 5552, 11008, 11104, 14921, 17509, 22208, 29842, 35018, 44416, 59684, 70036, 88832, 119368, 140072, 238736, 280144, 477472, 560288, 752887, 954944, 1120576, 1505774, 1909888, 2241152, 3011548, 3819776, 4482304, 6023096, 6075623, 12046192, 12151246, 24092384, 24302492, 48184768, 48604984, 96369536, 97209968, 192739072, 194419936, 261251789, 388839872, 522503578, 777679744, 1045007156, 1555359488, 2090014312, 4180028624, 8360057248, 16720114496, 33440228992, 66880457984]

約数ペア:

[(1, 66880457984), (2, 33440228992), (4, 16720114496), (8, 8360057248), (16, 4180028624), (32, 2090014312), (43, 1555359488), (64, 1045007156), (86, 777679744), (128, 522503578), (172, 388839872), (256, 261251789), (344, 194419936), (347, 192739072), (688, 97209968), (694, 96369536), (1376, 48604984), (1388, 48184768), (2752, 24302492), (2776, 24092384), (5504, 12151246), (5552, 12046192), (11008, 6075623), (11104, 6023096), (14921, 4482304), (17509, 3819776), (22208, 3011548), (29842, 2241152), (35018, 1909888), (44416, 1505774), (59684, 1120576), (70036, 954944), (88832, 752887), (119368, 560288), (140072, 477472), (238736, 280144)]