66191840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:313

約数の個数: 144

約数和(自身を含む): 185812704

約数和(自身を除く): 119620864

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 121, 130, 143, 160, 176, 208, 220, 242, 260, 263, 286, 352, 416, 440, 484, 520, 526, 572, 605, 715, 880, 968, 1040, 1052, 1144, 1210, 1315, 1430, 1573, 1760, 1936, 2080, 2104, 2288, 2420, 2630, 2860, 2893, 3146, 3419, 3872, 4208, 4576, 4840, 5260, 5720, 5786, 6292, 6838, 7865, 8416, 9680, 10520, 11440, 11572, 12584, 13676, 14465, 15730, 17095, 19360, 21040, 22880, 23144, 25168, 27352, 28930, 31460, 31823, 34190, 37609, 42080, 46288, 50336, 54704, 57860, 62920, 63646, 68380, 75218, 92576, 109408, 115720, 125840, 127292, 136760, 150436, 159115, 188045, 231440, 251680, 254584, 273520, 300872, 318230, 376090, 413699, 462880, 509168, 547040, 601744, 636460, 752180, 827398, 1018336, 1203488, 1272920, 1504360, 1654796, 2068495, 2545840, 3008720, 3309592, 4136990, 5091680, 6017440, 6619184, 8273980, 13238368, 16547960, 33095920, 66191840]

約数ペア:

[(1, 66191840), (2, 33095920), (4, 16547960), (5, 13238368), (8, 8273980), (10, 6619184), (11, 6017440), (13, 5091680), (16, 4136990), (20, 3309592), (22, 3008720), (26, 2545840), (32, 2068495), (40, 1654796), (44, 1504360), (52, 1272920), (55, 1203488), (65, 1018336), (80, 827398), (88, 752180), (104, 636460), (110, 601744), (121, 547040), (130, 509168), (143, 462880), (160, 413699), (176, 376090), (208, 318230), (220, 300872), (242, 273520), (260, 254584), (263, 251680), (286, 231440), (352, 188045), (416, 159115), (440, 150436), (484, 136760), (520, 127292), (526, 125840), (572, 115720), (605, 109408), (715, 92576), (880, 75218), (968, 68380), (1040, 63646), (1052, 62920), (1144, 57860), (1210, 54704), (1315, 50336), (1430, 46288), (1573, 42080), (1760, 37609), (1936, 34190), (2080, 31823), (2104, 31460), (2288, 28930), (2420, 27352), (2630, 25168), (2860, 23144), (2893, 22880), (3146, 21040), (3419, 19360), (3872, 17095), (4208, 15730), (4576, 14465), (4840, 13676), (5260, 12584), (5720, 11572), (5786, 11440), (6292, 10520), (6838, 9680), (7865, 8416)]