320552640

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:261

約数の個数: 280

約数和(自身を含む): 1161745200

約数和(自身を除く): 841192560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 83, 90, 96, 108, 120, 135, 144, 149, 160, 162, 166, 180, 192, 216, 240, 249, 270, 288, 298, 320, 324, 332, 360, 405, 415, 432, 447, 480, 498, 540, 576, 596, 648, 664, 720, 745, 747, 810, 830, 864, 894, 960, 996, 1080, 1192, 1245, 1296, 1328, 1341, 1440, 1490, 1494, 1620, 1660, 1728, 1788, 1992, 2160, 2235, 2241, 2384, 2490, 2592, 2656, 2682, 2880, 2980, 2988, 3240, 3320, 3576, 3735, 3984, 4023, 4320, 4470, 4482, 4768, 4980, 5184, 5312, 5364, 5960, 5976, 6480, 6640, 6705, 6723, 7152, 7470, 7968, 8046, 8640, 8940, 8964, 9536, 9960, 10728, 11205, 11920, 11952, 12069, 12367, 12960, 13280, 13410, 13446, 14304, 14940, 15936, 16092, 17880, 17928, 19920, 20115, 21456, 22410, 23840, 23904, 24138, 24734, 25920, 26560, 26820, 26892, 28608, 29880, 32184, 33615, 35760, 35856, 37101, 39840, 40230, 42912, 44820, 47680, 47808, 48276, 49468, 53640, 53784, 59760, 60345, 61835, 64368, 67230, 71520, 71712, 74202, 79680, 80460, 85824, 89640, 96552, 98936, 107280, 107568, 111303, 119520, 120690, 123670, 128736, 134460, 143040, 143424, 148404, 160920, 179280, 185505, 193104, 197872, 214560, 215136, 222606, 239040, 241380, 247340, 257472, 268920, 296808, 321840, 333909, 358560, 371010, 386208, 395744, 429120, 430272, 445212, 482760, 494680, 537840, 556515, 593616, 643680, 667818, 717120, 742020, 772416, 791488, 890424, 965520, 989360, 1001727, 1075680, 1113030, 1187232, 1287360, 1335636, 1484040, 1669545, 1780848, 1931040, 1978720, 2003454, 2151360, 2226060, 2374464, 2671272, 2968080, 3339090, 3561696, 3862080, 3957440, 4006908, 4452120, 5008635, 5342544, 5936160, 6678180, 7123392, 8013816, 8904240, 10017270, 10685088, 11872320, 13356360, 16027632, 17808480, 20034540, 21370176, 26712720, 32055264, 35616960, 40069080, 53425440, 64110528, 80138160, 106850880, 160276320, 320552640]

約数ペア:

[(1, 320552640), (2, 160276320), (3, 106850880), (4, 80138160), (5, 64110528), (6, 53425440), (8, 40069080), (9, 35616960), (10, 32055264), (12, 26712720), (15, 21370176), (16, 20034540), (18, 17808480), (20, 16027632), (24, 13356360), (27, 11872320), (30, 10685088), (32, 10017270), (36, 8904240), (40, 8013816), (45, 7123392), (48, 6678180), (54, 5936160), (60, 5342544), (64, 5008635), (72, 4452120), (80, 4006908), (81, 3957440), (83, 3862080), (90, 3561696), (96, 3339090), (108, 2968080), (120, 2671272), (135, 2374464), (144, 2226060), (149, 2151360), (160, 2003454), (162, 1978720), (166, 1931040), (180, 1780848), (192, 1669545), (216, 1484040), (240, 1335636), (249, 1287360), (270, 1187232), (288, 1113030), (298, 1075680), (320, 1001727), (324, 989360), (332, 965520), (360, 890424), (405, 791488), (415, 772416), (432, 742020), (447, 717120), (480, 667818), (498, 643680), (540, 593616), (576, 556515), (596, 537840), (648, 494680), (664, 482760), (720, 445212), (745, 430272), (747, 429120), (810, 395744), (830, 386208), (864, 371010), (894, 358560), (960, 333909), (996, 321840), (1080, 296808), (1192, 268920), (1245, 257472), (1296, 247340), (1328, 241380), (1341, 239040), (1440, 222606), (1490, 215136), (1494, 214560), (1620, 197872), (1660, 193104), (1728, 185505), (1788, 179280), (1992, 160920), (2160, 148404), (2235, 143424), (2241, 143040), (2384, 134460), (2490, 128736), (2592, 123670), (2656, 120690), (2682, 119520), (2880, 111303), (2980, 107568), (2988, 107280), (3240, 98936), (3320, 96552), (3576, 89640), (3735, 85824), (3984, 80460), (4023, 79680), (4320, 74202), (4470, 71712), (4482, 71520), (4768, 67230), (4980, 64368), (5184, 61835), (5312, 60345), (5364, 59760), (5960, 53784), (5976, 53640), (6480, 49468), (6640, 48276), (6705, 47808), (6723, 47680), (7152, 44820), (7470, 42912), (7968, 40230), (8046, 39840), (8640, 37101), (8940, 35856), (8964, 35760), (9536, 33615), (9960, 32184), (10728, 29880), (11205, 28608), (11920, 26892), (11952, 26820), (12069, 26560), (12367, 25920), (12960, 24734), (13280, 24138), (13410, 23904), (13446, 23840), (14304, 22410), (14940, 21456), (15936, 20115), (16092, 19920), (17880, 17928)]