815664640

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1979}}^1$

素因数の和:2032

約数の個数: 160

約数和(自身を含む): 2333422080

約数和(自身を除く): 1517757440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 184, 224, 230, 256, 280, 320, 322, 368, 448, 460, 512, 560, 640, 644, 736, 805, 896, 920, 1120, 1280, 1288, 1472, 1610, 1792, 1840, 1979, 2240, 2560, 2576, 2944, 3220, 3584, 3680, 3958, 4480, 5152, 5888, 6440, 7360, 7916, 8960, 9895, 10304, 11776, 12880, 13853, 14720, 15832, 17920, 19790, 20608, 25760, 27706, 29440, 31664, 39580, 41216, 45517, 51520, 55412, 58880, 63328, 69265, 79160, 82432, 91034, 103040, 110824, 126656, 138530, 158320, 182068, 206080, 221648, 227585, 253312, 277060, 316640, 318619, 364136, 412160, 443296, 455170, 506624, 554120, 633280, 637238, 728272, 886592, 910340, 1013248, 1108240, 1266560, 1274476, 1456544, 1593095, 1773184, 1820680, 2216480, 2533120, 2548952, 2913088, 3186190, 3546368, 3641360, 4432960, 5066240, 5097904, 5826176, 6372380, 7092736, 7282720, 8865920, 10195808, 11652352, 12744760, 14565440, 17731840, 20391616, 23304704, 25489520, 29130880, 35463680, 40783232, 50979040, 58261760, 81566464, 101958080, 116523520, 163132928, 203916160, 407832320, 815664640]

約数ペア:

[(1, 815664640), (2, 407832320), (4, 203916160), (5, 163132928), (7, 116523520), (8, 101958080), (10, 81566464), (14, 58261760), (16, 50979040), (20, 40783232), (23, 35463680), (28, 29130880), (32, 25489520), (35, 23304704), (40, 20391616), (46, 17731840), (56, 14565440), (64, 12744760), (70, 11652352), (80, 10195808), (92, 8865920), (112, 7282720), (115, 7092736), (128, 6372380), (140, 5826176), (160, 5097904), (161, 5066240), (184, 4432960), (224, 3641360), (230, 3546368), (256, 3186190), (280, 2913088), (320, 2548952), (322, 2533120), (368, 2216480), (448, 1820680), (460, 1773184), (512, 1593095), (560, 1456544), (640, 1274476), (644, 1266560), (736, 1108240), (805, 1013248), (896, 910340), (920, 886592), (1120, 728272), (1280, 637238), (1288, 633280), (1472, 554120), (1610, 506624), (1792, 455170), (1840, 443296), (1979, 412160), (2240, 364136), (2560, 318619), (2576, 316640), (2944, 277060), (3220, 253312), (3584, 227585), (3680, 221648), (3958, 206080), (4480, 182068), (5152, 158320), (5888, 138530), (6440, 126656), (7360, 110824), (7916, 103040), (8960, 91034), (9895, 82432), (10304, 79160), (11776, 69265), (12880, 63328), (13853, 58880), (14720, 55412), (15832, 51520), (17920, 45517), (19790, 41216), (20608, 39580), (25760, 31664), (27706, 29440)]