320190640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{881}}^1$

素因数の和:971

約数の個数: 160

約数和(自身を含む): 944939520

約数和(自身を除く): 624748880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 59, 70, 77, 80, 88, 110, 112, 118, 140, 154, 176, 220, 236, 280, 295, 308, 385, 413, 440, 472, 560, 590, 616, 649, 770, 826, 880, 881, 944, 1180, 1232, 1298, 1540, 1652, 1762, 2065, 2360, 2596, 3080, 3245, 3304, 3524, 4130, 4405, 4543, 4720, 5192, 6160, 6167, 6490, 6608, 7048, 8260, 8810, 9086, 9691, 10384, 12334, 12980, 14096, 16520, 17620, 18172, 19382, 22715, 24668, 25960, 30835, 33040, 35240, 36344, 38764, 45430, 48455, 49336, 51920, 51979, 61670, 67837, 70480, 72688, 77528, 90860, 96910, 98672, 103958, 123340, 135674, 155056, 181720, 193820, 207916, 246680, 259895, 271348, 339185, 363440, 363853, 387640, 415832, 493360, 519790, 542696, 571769, 678370, 727706, 775280, 831664, 1039580, 1085392, 1143538, 1356740, 1455412, 1819265, 2079160, 2287076, 2713480, 2858845, 2910824, 3638530, 4002383, 4158320, 4574152, 5426960, 5717690, 5821648, 7277060, 8004766, 9148304, 11435380, 14554120, 16009532, 20011915, 22870760, 29108240, 32019064, 40023830, 45741520, 64038128, 80047660, 160095320, 320190640]

約数ペア:

[(1, 320190640), (2, 160095320), (4, 80047660), (5, 64038128), (7, 45741520), (8, 40023830), (10, 32019064), (11, 29108240), (14, 22870760), (16, 20011915), (20, 16009532), (22, 14554120), (28, 11435380), (35, 9148304), (40, 8004766), (44, 7277060), (55, 5821648), (56, 5717690), (59, 5426960), (70, 4574152), (77, 4158320), (80, 4002383), (88, 3638530), (110, 2910824), (112, 2858845), (118, 2713480), (140, 2287076), (154, 2079160), (176, 1819265), (220, 1455412), (236, 1356740), (280, 1143538), (295, 1085392), (308, 1039580), (385, 831664), (413, 775280), (440, 727706), (472, 678370), (560, 571769), (590, 542696), (616, 519790), (649, 493360), (770, 415832), (826, 387640), (880, 363853), (881, 363440), (944, 339185), (1180, 271348), (1232, 259895), (1298, 246680), (1540, 207916), (1652, 193820), (1762, 181720), (2065, 155056), (2360, 135674), (2596, 123340), (3080, 103958), (3245, 98672), (3304, 96910), (3524, 90860), (4130, 77528), (4405, 72688), (4543, 70480), (4720, 67837), (5192, 61670), (6160, 51979), (6167, 51920), (6490, 49336), (6608, 48455), (7048, 45430), (8260, 38764), (8810, 36344), (9086, 35240), (9691, 33040), (10384, 30835), (12334, 25960), (12980, 24668), (14096, 22715), (16520, 19382), (17620, 18172)]