72619520

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1493}}^1$

素因数の和:1535

約数の個数: 80

約数和(自身を含む): 183403440

約数和(自身を除く): 110783920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 1216, 1280, 1493, 1520, 2432, 2560, 2986, 3040, 4864, 5972, 6080, 7465, 9728, 11944, 12160, 14930, 23888, 24320, 28367, 29860, 47776, 48640, 56734, 59720, 95552, 113468, 119440, 141835, 191104, 226936, 238880, 283670, 382208, 453872, 477760, 567340, 764416, 907744, 955520, 1134680, 1815488, 1911040, 2269360, 3630976, 3822080, 4538720, 7261952, 9077440, 14523904, 18154880, 36309760, 72619520]

約数ペア:

[(1, 72619520), (2, 36309760), (4, 18154880), (5, 14523904), (8, 9077440), (10, 7261952), (16, 4538720), (19, 3822080), (20, 3630976), (32, 2269360), (38, 1911040), (40, 1815488), (64, 1134680), (76, 955520), (80, 907744), (95, 764416), (128, 567340), (152, 477760), (160, 453872), (190, 382208), (256, 283670), (304, 238880), (320, 226936), (380, 191104), (512, 141835), (608, 119440), (640, 113468), (760, 95552), (1216, 59720), (1280, 56734), (1493, 48640), (1520, 47776), (2432, 29860), (2560, 28367), (2986, 24320), (3040, 23888), (4864, 14930), (5972, 12160), (6080, 11944), (7465, 9728)]