81738240

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{367}}^1$

素因数の和:422

約数の個数: 160

約数和(自身を含む): 271054080

約数和(自身を除く): 189315840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 64, 80, 87, 96, 116, 120, 128, 145, 160, 174, 192, 232, 240, 256, 290, 320, 348, 367, 384, 435, 464, 480, 512, 580, 640, 696, 734, 768, 870, 928, 960, 1101, 1160, 1280, 1392, 1468, 1536, 1740, 1835, 1856, 1920, 2202, 2320, 2560, 2784, 2936, 3480, 3670, 3712, 3840, 4404, 4640, 5505, 5568, 5872, 6960, 7340, 7424, 7680, 8808, 9280, 10643, 11010, 11136, 11744, 13920, 14680, 14848, 17616, 18560, 21286, 22020, 22272, 23488, 27840, 29360, 31929, 35232, 37120, 42572, 44040, 44544, 46976, 53215, 55680, 58720, 63858, 70464, 74240, 85144, 88080, 93952, 106430, 111360, 117440, 127716, 140928, 159645, 170288, 176160, 187904, 212860, 222720, 234880, 255432, 281856, 319290, 340576, 352320, 425720, 469760, 510864, 563712, 638580, 681152, 704640, 851440, 939520, 1021728, 1277160, 1362304, 1409280, 1702880, 2043456, 2554320, 2724608, 2818560, 3405760, 4086912, 5108640, 5449216, 6811520, 8173824, 10217280, 13623040, 16347648, 20434560, 27246080, 40869120, 81738240]

約数ペア:

[(1, 81738240), (2, 40869120), (3, 27246080), (4, 20434560), (5, 16347648), (6, 13623040), (8, 10217280), (10, 8173824), (12, 6811520), (15, 5449216), (16, 5108640), (20, 4086912), (24, 3405760), (29, 2818560), (30, 2724608), (32, 2554320), (40, 2043456), (48, 1702880), (58, 1409280), (60, 1362304), (64, 1277160), (80, 1021728), (87, 939520), (96, 851440), (116, 704640), (120, 681152), (128, 638580), (145, 563712), (160, 510864), (174, 469760), (192, 425720), (232, 352320), (240, 340576), (256, 319290), (290, 281856), (320, 255432), (348, 234880), (367, 222720), (384, 212860), (435, 187904), (464, 176160), (480, 170288), (512, 159645), (580, 140928), (640, 127716), (696, 117440), (734, 111360), (768, 106430), (870, 93952), (928, 88080), (960, 85144), (1101, 74240), (1160, 70464), (1280, 63858), (1392, 58720), (1468, 55680), (1536, 53215), (1740, 46976), (1835, 44544), (1856, 44040), (1920, 42572), (2202, 37120), (2320, 35232), (2560, 31929), (2784, 29360), (2936, 27840), (3480, 23488), (3670, 22272), (3712, 22020), (3840, 21286), (4404, 18560), (4640, 17616), (5505, 14848), (5568, 14680), (5872, 13920), (6960, 11744), (7340, 11136), (7424, 11010), (7680, 10643), (8808, 9280)]