64872720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8191}}^1$

素因数の和:8221

約数の個数: 120

約数和(自身を含む): 237699072

約数和(自身を除く): 172826352

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 8191, 16382, 24573, 32764, 40955, 49146, 65528, 73719, 81910, 90101, 98292, 122865, 131056, 147438, 163820, 180202, 196584, 245730, 270303, 294876, 327640, 360404, 368595, 393168, 450505, 491460, 540606, 589752, 655280, 720808, 737190, 810909, 901010, 982920, 1081212, 1179504, 1351515, 1441616, 1474380, 1621818, 1802020, 1965840, 2162424, 2703030, 2948760, 3243636, 3604040, 4054545, 4324848, 5406060, 5897520, 6487272, 7208080, 8109090, 10812120, 12974544, 16218180, 21624240, 32436360, 64872720]

約数ペア:

[(1, 64872720), (2, 32436360), (3, 21624240), (4, 16218180), (5, 12974544), (6, 10812120), (8, 8109090), (9, 7208080), (10, 6487272), (11, 5897520), (12, 5406060), (15, 4324848), (16, 4054545), (18, 3604040), (20, 3243636), (22, 2948760), (24, 2703030), (30, 2162424), (33, 1965840), (36, 1802020), (40, 1621818), (44, 1474380), (45, 1441616), (48, 1351515), (55, 1179504), (60, 1081212), (66, 982920), (72, 901010), (80, 810909), (88, 737190), (90, 720808), (99, 655280), (110, 589752), (120, 540606), (132, 491460), (144, 450505), (165, 393168), (176, 368595), (180, 360404), (198, 327640), (220, 294876), (240, 270303), (264, 245730), (330, 196584), (360, 180202), (396, 163820), (440, 147438), (495, 131056), (528, 122865), (660, 98292), (720, 90101), (792, 81910), (880, 73719), (990, 65528), (1320, 49146), (1584, 40955), (1980, 32764), (2640, 24573), (3960, 16382), (7920, 8191)]