663551840

素因数分解:

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

素因数の和:25804

約数の個数: 96

約数和(自身を含む): 1869557760

約数和(自身を除く): 1206005920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 322, 368, 460, 560, 644, 736, 805, 920, 1120, 1288, 1610, 1840, 2576, 3220, 3680, 5152, 6440, 12880, 25759, 25760, 51518, 103036, 128795, 180313, 206072, 257590, 360626, 412144, 515180, 592457, 721252, 824288, 901565, 1030360, 1184914, 1442504, 1803130, 2060720, 2369828, 2885008, 2962285, 3606260, 4121440, 4147199, 4739656, 5770016, 5924570, 7212520, 8294398, 9479312, 11849140, 14425040, 16588796, 18958624, 20735995, 23698280, 28850080, 33177592, 41471990, 47396560, 66355184, 82943980, 94793120, 132710368, 165887960, 331775920, 663551840]

約数ペア:

[(1, 663551840), (2, 331775920), (4, 165887960), (5, 132710368), (7, 94793120), (8, 82943980), (10, 66355184), (14, 47396560), (16, 41471990), (20, 33177592), (23, 28850080), (28, 23698280), (32, 20735995), (35, 18958624), (40, 16588796), (46, 14425040), (56, 11849140), (70, 9479312), (80, 8294398), (92, 7212520), (112, 5924570), (115, 5770016), (140, 4739656), (160, 4147199), (161, 4121440), (184, 3606260), (224, 2962285), (230, 2885008), (280, 2369828), (322, 2060720), (368, 1803130), (460, 1442504), (560, 1184914), (644, 1030360), (736, 901565), (805, 824288), (920, 721252), (1120, 592457), (1288, 515180), (1610, 412144), (1840, 360626), (2576, 257590), (3220, 206072), (3680, 180313), (5152, 128795), (6440, 103036), (12880, 51518), (25759, 25760)]