30268040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{68791}}^1$

素因数の和:68813

約数の個数: 32

約数和(自身を含む): 74295360

約数和(自身を除く): 44027320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 68791, 137582, 275164, 343955, 550328, 687910, 756701, 1375820, 1513402, 2751640, 3026804, 3783505, 6053608, 7567010, 15134020, 30268040]

約数ペア:

[(1, 30268040), (2, 15134020), (4, 7567010), (5, 6053608), (8, 3783505), (10, 3026804), (11, 2751640), (20, 1513402), (22, 1375820), (40, 756701), (44, 687910), (55, 550328), (88, 343955), (110, 275164), (220, 137582), (440, 68791)]