1558168040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{272407}}^1$

素因数の和:272442

約数の個数: 64

約数和(自身を含む): 4118808960

約数和(自身を除く): 2560640920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 272407, 544814, 1089628, 1362035, 2179256, 2724070, 2996477, 3541291, 5448140, 5992954, 7082582, 10896280, 11985908, 14165164, 14982385, 17706455, 23971816, 28330328, 29964770, 35412910, 38954201, 59929540, 70825820, 77908402, 119859080, 141651640, 155816804, 194771005, 311633608, 389542010, 779084020, 1558168040]

約数ペア:

[(1, 1558168040), (2, 779084020), (4, 389542010), (5, 311633608), (8, 194771005), (10, 155816804), (11, 141651640), (13, 119859080), (20, 77908402), (22, 70825820), (26, 59929540), (40, 38954201), (44, 35412910), (52, 29964770), (55, 28330328), (65, 23971816), (88, 17706455), (104, 14982385), (110, 14165164), (130, 11985908), (143, 10896280), (220, 7082582), (260, 5992954), (286, 5448140), (440, 3541291), (520, 2996477), (572, 2724070), (715, 2179256), (1144, 1362035), (1430, 1089628), (2860, 544814), (5720, 272407)]