1220072960

素因数分解:

$2^9\times 5^1\times {\mathrm{476591}}^1$

素因数の和:476614

約数の個数: 40

約数和(自身を含む): 2925321696

約数和(自身を除く): 1705248736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 476591, 953182, 1906364, 2382955, 3812728, 4765910, 7625456, 9531820, 15250912, 19063640, 30501824, 38127280, 61003648, 76254560, 122007296, 152509120, 244014592, 305018240, 610036480, 1220072960]

約数ペア:

[(1, 1220072960), (2, 610036480), (4, 305018240), (5, 244014592), (8, 152509120), (10, 122007296), (16, 76254560), (20, 61003648), (32, 38127280), (40, 30501824), (64, 19063640), (80, 15250912), (128, 9531820), (160, 7625456), (256, 4765910), (320, 3812728), (512, 2382955), (640, 1906364), (1280, 953182), (2560, 476591)]