320541760

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13009}}^1$

素因数の和:13044

約数の個数: 112

約数和(自身を含む): 951707520

約数和(自身を除く): 631165760

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 704, 770, 880, 1120, 1232, 1540, 1760, 2240, 2464, 3080, 3520, 4928, 6160, 12320, 13009, 24640, 26018, 52036, 65045, 91063, 104072, 130090, 143099, 182126, 208144, 260180, 286198, 364252, 416288, 455315, 520360, 572396, 715495, 728504, 832576, 910630, 1001693, 1040720, 1144792, 1430990, 1457008, 1821260, 2003386, 2081440, 2289584, 2861980, 2914016, 3642520, 4006772, 4162880, 4579168, 5008465, 5723960, 5828032, 7285040, 8013544, 9158336, 10016930, 11447920, 14570080, 16027088, 20033860, 22895840, 29140160, 32054176, 40067720, 45791680, 64108352, 80135440, 160270880, 320541760]

約数ペア:

[(1, 320541760), (2, 160270880), (4, 80135440), (5, 64108352), (7, 45791680), (8, 40067720), (10, 32054176), (11, 29140160), (14, 22895840), (16, 20033860), (20, 16027088), (22, 14570080), (28, 11447920), (32, 10016930), (35, 9158336), (40, 8013544), (44, 7285040), (55, 5828032), (56, 5723960), (64, 5008465), (70, 4579168), (77, 4162880), (80, 4006772), (88, 3642520), (110, 2914016), (112, 2861980), (140, 2289584), (154, 2081440), (160, 2003386), (176, 1821260), (220, 1457008), (224, 1430990), (280, 1144792), (308, 1040720), (320, 1001693), (352, 910630), (385, 832576), (440, 728504), (448, 715495), (560, 572396), (616, 520360), (704, 455315), (770, 416288), (880, 364252), (1120, 286198), (1232, 260180), (1540, 208144), (1760, 182126), (2240, 143099), (2464, 130090), (3080, 104072), (3520, 91063), (4928, 65045), (6160, 52036), (12320, 26018), (13009, 24640)]