40320840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2087}}^1$

素因数の和:2131

約数の個数: 128

約数和(自身を含む): 144322560

約数和(自身を除く): 104001720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1610, 1932, 2087, 2415, 2760, 3220, 3864, 4174, 4830, 6261, 6440, 8348, 9660, 10435, 12522, 14609, 16696, 19320, 20870, 25044, 29218, 31305, 41740, 43827, 48001, 50088, 58436, 62610, 73045, 83480, 87654, 96002, 116872, 125220, 144003, 146090, 175308, 192004, 219135, 240005, 250440, 288006, 292180, 336007, 350616, 384008, 438270, 480010, 576012, 584360, 672014, 720015, 876540, 960020, 1008021, 1152024, 1344028, 1440030, 1680035, 1753080, 1920040, 2016042, 2688056, 2880060, 3360070, 4032084, 5040105, 5760120, 6720140, 8064168, 10080210, 13440280, 20160420, 40320840]

約数ペア:

[(1, 40320840), (2, 20160420), (3, 13440280), (4, 10080210), (5, 8064168), (6, 6720140), (7, 5760120), (8, 5040105), (10, 4032084), (12, 3360070), (14, 2880060), (15, 2688056), (20, 2016042), (21, 1920040), (23, 1753080), (24, 1680035), (28, 1440030), (30, 1344028), (35, 1152024), (40, 1008021), (42, 960020), (46, 876540), (56, 720015), (60, 672014), (69, 584360), (70, 576012), (84, 480010), (92, 438270), (105, 384008), (115, 350616), (120, 336007), (138, 292180), (140, 288006), (161, 250440), (168, 240005), (184, 219135), (210, 192004), (230, 175308), (276, 146090), (280, 144003), (322, 125220), (345, 116872), (420, 96002), (460, 87654), (483, 83480), (552, 73045), (644, 62610), (690, 58436), (805, 50088), (840, 48001), (920, 43827), (966, 41740), (1288, 31305), (1380, 29218), (1610, 25044), (1932, 20870), (2087, 19320), (2415, 16696), (2760, 14609), (3220, 12522), (3864, 10435), (4174, 9660), (4830, 8348), (6261, 6440)]