74397440

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1$

素因数の和:314

約数の個数: 144

約数和(自身を含む): 203974848

約数和(自身を除く): 129577408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 128, 130, 136, 160, 170, 208, 221, 256, 260, 263, 272, 320, 340, 416, 442, 520, 526, 544, 640, 680, 832, 884, 1040, 1052, 1088, 1105, 1280, 1315, 1360, 1664, 1768, 2080, 2104, 2176, 2210, 2630, 2720, 3328, 3419, 3536, 4160, 4208, 4352, 4420, 4471, 5260, 5440, 6838, 7072, 8320, 8416, 8840, 8942, 10520, 10880, 13676, 14144, 16640, 16832, 17095, 17680, 17884, 21040, 21760, 22355, 27352, 28288, 33664, 34190, 35360, 35768, 42080, 44710, 54704, 56576, 58123, 67328, 68380, 70720, 71536, 84160, 89420, 109408, 116246, 136760, 141440, 143072, 168320, 178840, 218816, 232492, 273520, 282880, 286144, 290615, 336640, 357680, 437632, 464984, 547040, 572288, 581230, 715360, 875264, 929968, 1094080, 1144576, 1162460, 1430720, 1859936, 2188160, 2324920, 2861440, 3719872, 4376320, 4649840, 5722880, 7439744, 9299680, 14879488, 18599360, 37198720, 74397440]

約数ペア:

[(1, 74397440), (2, 37198720), (4, 18599360), (5, 14879488), (8, 9299680), (10, 7439744), (13, 5722880), (16, 4649840), (17, 4376320), (20, 3719872), (26, 2861440), (32, 2324920), (34, 2188160), (40, 1859936), (52, 1430720), (64, 1162460), (65, 1144576), (68, 1094080), (80, 929968), (85, 875264), (104, 715360), (128, 581230), (130, 572288), (136, 547040), (160, 464984), (170, 437632), (208, 357680), (221, 336640), (256, 290615), (260, 286144), (263, 282880), (272, 273520), (320, 232492), (340, 218816), (416, 178840), (442, 168320), (520, 143072), (526, 141440), (544, 136760), (640, 116246), (680, 109408), (832, 89420), (884, 84160), (1040, 71536), (1052, 70720), (1088, 68380), (1105, 67328), (1280, 58123), (1315, 56576), (1360, 54704), (1664, 44710), (1768, 42080), (2080, 35768), (2104, 35360), (2176, 34190), (2210, 33664), (2630, 28288), (2720, 27352), (3328, 22355), (3419, 21760), (3536, 21040), (4160, 17884), (4208, 17680), (4352, 17095), (4420, 16832), (4471, 16640), (5260, 14144), (5440, 13676), (6838, 10880), (7072, 10520), (8320, 8942), (8416, 8840)]