123040000

素因数分解:

$2^8\times 5^4\times {\mathrm{769}}^1$

素因数の和:805

約数の個数: 90

約数和(自身を含む): 307300070

約数和(自身を除く): 184260070

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 625, 640, 769, 800, 1000, 1250, 1280, 1538, 1600, 2000, 2500, 3076, 3200, 3845, 4000, 5000, 6152, 6400, 7690, 8000, 10000, 12304, 15380, 16000, 19225, 20000, 24608, 30760, 32000, 38450, 40000, 49216, 61520, 76900, 80000, 96125, 98432, 123040, 153800, 160000, 192250, 196864, 246080, 307600, 384500, 480625, 492160, 615200, 769000, 961250, 984320, 1230400, 1538000, 1922500, 2460800, 3076000, 3845000, 4921600, 6152000, 7690000, 12304000, 15380000, 24608000, 30760000, 61520000, 123040000]

約数ペア:

[(1, 123040000), (2, 61520000), (4, 30760000), (5, 24608000), (8, 15380000), (10, 12304000), (16, 7690000), (20, 6152000), (25, 4921600), (32, 3845000), (40, 3076000), (50, 2460800), (64, 1922500), (80, 1538000), (100, 1230400), (125, 984320), (128, 961250), (160, 769000), (200, 615200), (250, 492160), (256, 480625), (320, 384500), (400, 307600), (500, 246080), (625, 196864), (640, 192250), (769, 160000), (800, 153800), (1000, 123040), (1250, 98432), (1280, 96125), (1538, 80000), (1600, 76900), (2000, 61520), (2500, 49216), (3076, 40000), (3200, 38450), (3845, 32000), (4000, 30760), (5000, 24608), (6152, 20000), (6400, 19225), (7690, 16000), (8000, 15380), (10000, 12304)]