64550720

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:352

約数の個数: 112

約数和(自身を含む): 168981120

約数和(自身を除く): 104430400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 59, 64, 65, 80, 104, 118, 130, 160, 208, 236, 260, 263, 295, 320, 416, 472, 520, 526, 590, 767, 832, 944, 1040, 1052, 1180, 1315, 1534, 1888, 2080, 2104, 2360, 2630, 3068, 3419, 3776, 3835, 4160, 4208, 4720, 5260, 6136, 6838, 7670, 8416, 9440, 10520, 12272, 13676, 15340, 15517, 16832, 17095, 18880, 21040, 24544, 27352, 30680, 31034, 34190, 42080, 49088, 54704, 61360, 62068, 68380, 77585, 84160, 109408, 122720, 124136, 136760, 155170, 201721, 218816, 245440, 248272, 273520, 310340, 403442, 496544, 547040, 620680, 806884, 993088, 1008605, 1094080, 1241360, 1613768, 2017210, 2482720, 3227536, 4034420, 4965440, 6455072, 8068840, 12910144, 16137680, 32275360, 64550720]

約数ペア:

[(1, 64550720), (2, 32275360), (4, 16137680), (5, 12910144), (8, 8068840), (10, 6455072), (13, 4965440), (16, 4034420), (20, 3227536), (26, 2482720), (32, 2017210), (40, 1613768), (52, 1241360), (59, 1094080), (64, 1008605), (65, 993088), (80, 806884), (104, 620680), (118, 547040), (130, 496544), (160, 403442), (208, 310340), (236, 273520), (260, 248272), (263, 245440), (295, 218816), (320, 201721), (416, 155170), (472, 136760), (520, 124136), (526, 122720), (590, 109408), (767, 84160), (832, 77585), (944, 68380), (1040, 62068), (1052, 61360), (1180, 54704), (1315, 49088), (1534, 42080), (1888, 34190), (2080, 31034), (2104, 30680), (2360, 27352), (2630, 24544), (3068, 21040), (3419, 18880), (3776, 17095), (3835, 16832), (4160, 15517), (4208, 15340), (4720, 13676), (5260, 12272), (6136, 10520), (6838, 9440), (7670, 8416)]