66738880

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:354

約数の個数: 112

約数和(自身を含む): 174613824

約数和(自身を除く): 107874944

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 64, 65, 80, 104, 122, 130, 160, 208, 244, 260, 263, 305, 320, 416, 488, 520, 526, 610, 793, 832, 976, 1040, 1052, 1220, 1315, 1586, 1952, 2080, 2104, 2440, 2630, 3172, 3419, 3904, 3965, 4160, 4208, 4880, 5260, 6344, 6838, 7930, 8416, 9760, 10520, 12688, 13676, 15860, 16043, 16832, 17095, 19520, 21040, 25376, 27352, 31720, 32086, 34190, 42080, 50752, 54704, 63440, 64172, 68380, 80215, 84160, 109408, 126880, 128344, 136760, 160430, 208559, 218816, 253760, 256688, 273520, 320860, 417118, 513376, 547040, 641720, 834236, 1026752, 1042795, 1094080, 1283440, 1668472, 2085590, 2566880, 3336944, 4171180, 5133760, 6673888, 8342360, 13347776, 16684720, 33369440, 66738880]

約数ペア:

[(1, 66738880), (2, 33369440), (4, 16684720), (5, 13347776), (8, 8342360), (10, 6673888), (13, 5133760), (16, 4171180), (20, 3336944), (26, 2566880), (32, 2085590), (40, 1668472), (52, 1283440), (61, 1094080), (64, 1042795), (65, 1026752), (80, 834236), (104, 641720), (122, 547040), (130, 513376), (160, 417118), (208, 320860), (244, 273520), (260, 256688), (263, 253760), (305, 218816), (320, 208559), (416, 160430), (488, 136760), (520, 128344), (526, 126880), (610, 109408), (793, 84160), (832, 80215), (976, 68380), (1040, 64172), (1052, 63440), (1220, 54704), (1315, 50752), (1586, 42080), (1952, 34190), (2080, 32086), (2104, 31720), (2440, 27352), (2630, 25376), (3172, 21040), (3419, 19520), (3904, 17095), (3965, 16832), (4160, 16043), (4208, 15860), (4880, 13676), (5260, 12688), (6344, 10520), (6838, 9760), (7930, 8416)]