30456980

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{487}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 66407040

約数和(自身を除く): 35950060

約数列:

[1, 2, 4, 5, 10, 20, 53, 59, 106, 118, 212, 236, 265, 295, 487, 530, 590, 974, 1060, 1180, 1948, 2435, 3127, 4870, 6254, 9740, 12508, 15635, 25811, 28733, 31270, 51622, 57466, 62540, 103244, 114932, 129055, 143665, 258110, 287330, 516220, 574660, 1522849, 3045698, 6091396, 7614245, 15228490, 30456980]

約数ペア:

[(1, 30456980), (2, 15228490), (4, 7614245), (5, 6091396), (10, 3045698), (20, 1522849), (53, 574660), (59, 516220), (106, 287330), (118, 258110), (212, 143665), (236, 129055), (265, 114932), (295, 103244), (487, 62540), (530, 57466), (590, 51622), (974, 31270), (1060, 28733), (1180, 25811), (1948, 15635), (2435, 12508), (3127, 9740), (4870, 6254)]