1279403320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1051}}^1\times {\mathrm{2341}}^1$

素因数の和:3416

約数の個数: 64

約数和(自身を含む): 3104367840

約数和(自身を除く): 1824964520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1051, 2102, 2341, 4204, 4682, 5255, 8408, 9364, 10510, 11705, 13663, 18728, 21020, 23410, 27326, 30433, 42040, 46820, 54652, 60866, 68315, 93640, 109304, 121732, 136630, 152165, 243464, 273260, 304330, 546520, 608660, 1217320, 2460391, 4920782, 9841564, 12301955, 19683128, 24603910, 31985083, 49207820, 63970166, 98415640, 127940332, 159925415, 255880664, 319850830, 639701660, 1279403320]

約数ペア:

[(1, 1279403320), (2, 639701660), (4, 319850830), (5, 255880664), (8, 159925415), (10, 127940332), (13, 98415640), (20, 63970166), (26, 49207820), (40, 31985083), (52, 24603910), (65, 19683128), (104, 12301955), (130, 9841564), (260, 4920782), (520, 2460391), (1051, 1217320), (2102, 608660), (2341, 546520), (4204, 304330), (4682, 273260), (5255, 243464), (8408, 152165), (9364, 136630), (10510, 121732), (11705, 109304), (13663, 93640), (18728, 68315), (21020, 60866), (23410, 54652), (27326, 46820), (30433, 42040)]