319487940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{77171}}^1$

素因数の和:77209

約数の個数: 72

約数和(自身を含む): 1011261888

約数和(自身を除く): 691773948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 77171, 154342, 231513, 308684, 385855, 463026, 694539, 771710, 926052, 1157565, 1389078, 1543420, 1774933, 2315130, 2778156, 3472695, 3549866, 4630260, 5324799, 6945390, 7099732, 8874665, 10649598, 13890780, 15974397, 17749330, 21299196, 26623995, 31948794, 35498660, 53247990, 63897588, 79871985, 106495980, 159743970, 319487940]

約数ペア:

[(1, 319487940), (2, 159743970), (3, 106495980), (4, 79871985), (5, 63897588), (6, 53247990), (9, 35498660), (10, 31948794), (12, 26623995), (15, 21299196), (18, 17749330), (20, 15974397), (23, 13890780), (30, 10649598), (36, 8874665), (45, 7099732), (46, 6945390), (60, 5324799), (69, 4630260), (90, 3549866), (92, 3472695), (115, 2778156), (138, 2315130), (180, 1774933), (207, 1543420), (230, 1389078), (276, 1157565), (345, 926052), (414, 771710), (460, 694539), (690, 463026), (828, 385855), (1035, 308684), (1380, 231513), (2070, 154342), (4140, 77171)]