30306760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{68879}}^1$

素因数の和:68901

約数の個数: 32

約数和(自身を含む): 74390400

約数和(自身を除く): 44083640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 68879, 137758, 275516, 344395, 551032, 688790, 757669, 1377580, 1515338, 2755160, 3030676, 3788345, 6061352, 7576690, 15153380, 30306760]

約数ペア:

[(1, 30306760), (2, 15153380), (4, 7576690), (5, 6061352), (8, 3788345), (10, 3030676), (11, 2755160), (20, 1515338), (22, 1377580), (40, 757669), (44, 688790), (55, 551032), (88, 344395), (110, 275516), (220, 137758), (440, 68879)]