308545280

素因数分解:

$2^8\times 5^1\times {\mathrm{241051}}^1$

素因数の和:241072

約数の個数: 36

約数和(自身を含む): 739065432

約数和(自身を除く): 430520152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 241051, 482102, 964204, 1205255, 1928408, 2410510, 3856816, 4821020, 7713632, 9642040, 15427264, 19284080, 30854528, 38568160, 61709056, 77136320, 154272640, 308545280]

約数ペア:

[(1, 308545280), (2, 154272640), (4, 77136320), (5, 61709056), (8, 38568160), (10, 30854528), (16, 19284080), (20, 15427264), (32, 9642040), (40, 7713632), (64, 4821020), (80, 3856816), (128, 2410510), (160, 1928408), (256, 1205255), (320, 964204), (640, 482102), (1280, 241051)]