63980800

素因数分解:

$2^8\times 5^2\times {\mathrm{13}}^1\times {\mathrm{769}}^1$

素因数の和:808

約数の個数: 108

約数和(自身を含む): 170765980

約数和(自身を除く): 106785180

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 256, 260, 320, 325, 400, 416, 520, 640, 650, 769, 800, 832, 1040, 1280, 1300, 1538, 1600, 1664, 2080, 2600, 3076, 3200, 3328, 3845, 4160, 5200, 6152, 6400, 7690, 8320, 9997, 10400, 12304, 15380, 16640, 19225, 19994, 20800, 24608, 30760, 38450, 39988, 41600, 49216, 49985, 61520, 76900, 79976, 83200, 98432, 99970, 123040, 153800, 159952, 196864, 199940, 246080, 249925, 307600, 319904, 399880, 492160, 499850, 615200, 639808, 799760, 984320, 999700, 1230400, 1279616, 1599520, 1999400, 2460800, 2559232, 3199040, 3998800, 4921600, 6398080, 7997600, 12796160, 15995200, 31990400, 63980800]

約数ペア:

[(1, 63980800), (2, 31990400), (4, 15995200), (5, 12796160), (8, 7997600), (10, 6398080), (13, 4921600), (16, 3998800), (20, 3199040), (25, 2559232), (26, 2460800), (32, 1999400), (40, 1599520), (50, 1279616), (52, 1230400), (64, 999700), (65, 984320), (80, 799760), (100, 639808), (104, 615200), (128, 499850), (130, 492160), (160, 399880), (200, 319904), (208, 307600), (256, 249925), (260, 246080), (320, 199940), (325, 196864), (400, 159952), (416, 153800), (520, 123040), (640, 99970), (650, 98432), (769, 83200), (800, 79976), (832, 76900), (1040, 61520), (1280, 49985), (1300, 49216), (1538, 41600), (1600, 39988), (1664, 38450), (2080, 30760), (2600, 24608), (3076, 20800), (3200, 19994), (3328, 19225), (3845, 16640), (4160, 15380), (5200, 12304), (6152, 10400), (6400, 9997), (7690, 8320)]