28181197140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2881513}}^1$

素因数の和:2881688

約数の個数: 48

約数和(自身を含む): 79391473728

約数和(自身を除く): 51210276588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 163, 326, 489, 652, 815, 978, 1630, 1956, 2445, 3260, 4890, 9780, 2881513, 5763026, 8644539, 11526052, 14407565, 17289078, 28815130, 34578156, 43222695, 57630260, 86445390, 172890780, 469686619, 939373238, 1409059857, 1878746476, 2348433095, 2818119714, 4696866190, 5636239428, 7045299285, 9393732380, 14090598570, 28181197140]

約数ペア:

[(1, 28181197140), (2, 14090598570), (3, 9393732380), (4, 7045299285), (5, 5636239428), (6, 4696866190), (10, 2818119714), (12, 2348433095), (15, 1878746476), (20, 1409059857), (30, 939373238), (60, 469686619), (163, 172890780), (326, 86445390), (489, 57630260), (652, 43222695), (815, 34578156), (978, 28815130), (1630, 17289078), (1956, 14407565), (2445, 11526052), (3260, 8644539), (4890, 5763026), (9780, 2881513)]