68607920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{827}}^1$

素因数の和:918

約数の個数: 80

約数和(自身を含む): 171872928

約数和(自身を除く): 103265008

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 61, 68, 80, 85, 122, 136, 170, 244, 272, 305, 340, 488, 610, 680, 827, 976, 1037, 1220, 1360, 1654, 2074, 2440, 3308, 4135, 4148, 4880, 5185, 6616, 8270, 8296, 10370, 13232, 14059, 16540, 16592, 20740, 28118, 33080, 41480, 50447, 56236, 66160, 70295, 82960, 100894, 112472, 140590, 201788, 224944, 252235, 281180, 403576, 504470, 562360, 807152, 857599, 1008940, 1124720, 1715198, 2017880, 3430396, 4035760, 4287995, 6860792, 8575990, 13721584, 17151980, 34303960, 68607920]

約数ペア:

[(1, 68607920), (2, 34303960), (4, 17151980), (5, 13721584), (8, 8575990), (10, 6860792), (16, 4287995), (17, 4035760), (20, 3430396), (34, 2017880), (40, 1715198), (61, 1124720), (68, 1008940), (80, 857599), (85, 807152), (122, 562360), (136, 504470), (170, 403576), (244, 281180), (272, 252235), (305, 224944), (340, 201788), (488, 140590), (610, 112472), (680, 100894), (827, 82960), (976, 70295), (1037, 66160), (1220, 56236), (1360, 50447), (1654, 41480), (2074, 33080), (2440, 28118), (3308, 20740), (4135, 16592), (4148, 16540), (4880, 14059), (5185, 13232), (6616, 10370), (8270, 8296)]