331775920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{25759}}^1$

素因数の和:25802

約数の個数: 80

約数和(自身を含む): 919941120

約数和(自身を除く): 588165200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 25759, 51518, 103036, 128795, 180313, 206072, 257590, 360626, 412144, 515180, 592457, 721252, 901565, 1030360, 1184914, 1442504, 1803130, 2060720, 2369828, 2885008, 2962285, 3606260, 4147199, 4739656, 5924570, 7212520, 8294398, 9479312, 11849140, 14425040, 16588796, 20735995, 23698280, 33177592, 41471990, 47396560, 66355184, 82943980, 165887960, 331775920]

約数ペア:

[(1, 331775920), (2, 165887960), (4, 82943980), (5, 66355184), (7, 47396560), (8, 41471990), (10, 33177592), (14, 23698280), (16, 20735995), (20, 16588796), (23, 14425040), (28, 11849140), (35, 9479312), (40, 8294398), (46, 7212520), (56, 5924570), (70, 4739656), (80, 4147199), (92, 3606260), (112, 2962285), (115, 2885008), (140, 2369828), (161, 2060720), (184, 1803130), (230, 1442504), (280, 1184914), (322, 1030360), (368, 901565), (460, 721252), (560, 592457), (644, 515180), (805, 412144), (920, 360626), (1288, 257590), (1610, 206072), (1840, 180313), (2576, 128795), (3220, 103036), (6440, 51518), (12880, 25759)]