30220520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{68683}}^1$

素因数の和:68705

約数の個数: 32

約数和(自身を含む): 74178720

約数和(自身を除く): 43958200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 68683, 137366, 274732, 343415, 549464, 686830, 755513, 1373660, 1511026, 2747320, 3022052, 3777565, 6044104, 7555130, 15110260, 30220520]

約数ペア:

[(1, 30220520), (2, 15110260), (4, 7555130), (5, 6044104), (8, 3777565), (10, 3022052), (11, 2747320), (20, 1511026), (22, 1373660), (40, 755513), (44, 686830), (55, 549464), (88, 343415), (110, 274732), (220, 137366), (440, 68683)]