661569240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{239699}}^1$

素因数の和:239736

約数の個数: 64

約数和(自身を含む): 2071008000

約数和(自身を除く): 1409438760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 239699, 479398, 719097, 958796, 1198495, 1438194, 1917592, 2396990, 2876388, 3595485, 4793980, 5513077, 5752776, 7190970, 9587960, 11026154, 14381940, 16539231, 22052308, 27565385, 28763880, 33078462, 44104616, 55130770, 66156924, 82696155, 110261540, 132313848, 165392310, 220523080, 330784620, 661569240]

約数ペア:

[(1, 661569240), (2, 330784620), (3, 220523080), (4, 165392310), (5, 132313848), (6, 110261540), (8, 82696155), (10, 66156924), (12, 55130770), (15, 44104616), (20, 33078462), (23, 28763880), (24, 27565385), (30, 22052308), (40, 16539231), (46, 14381940), (60, 11026154), (69, 9587960), (92, 7190970), (115, 5752776), (120, 5513077), (138, 4793980), (184, 3595485), (230, 2876388), (276, 2396990), (345, 1917592), (460, 1438194), (552, 1198495), (690, 958796), (920, 719097), (1380, 479398), (2760, 239699)]