861671040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{467}}^1$

素因数の和:551

約数の個数: 192

約数和(自身を含む): 2844110880

約数和(自身を除く): 1982439840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 310, 320, 372, 384, 465, 467, 480, 496, 620, 640, 744, 930, 934, 960, 961, 992, 1240, 1401, 1488, 1860, 1868, 1920, 1922, 1984, 2335, 2480, 2802, 2883, 2976, 3720, 3736, 3844, 3968, 4670, 4805, 4960, 5604, 5766, 5952, 7005, 7440, 7472, 7688, 9340, 9610, 9920, 11208, 11532, 11904, 14010, 14415, 14477, 14880, 14944, 15376, 18680, 19220, 19840, 22416, 23064, 28020, 28830, 28954, 29760, 29888, 30752, 37360, 38440, 43431, 44832, 46128, 56040, 57660, 57908, 59520, 59776, 61504, 72385, 74720, 76880, 86862, 89664, 92256, 112080, 115320, 115816, 123008, 144770, 149440, 153760, 173724, 179328, 184512, 217155, 224160, 230640, 231632, 289540, 298880, 307520, 347448, 369024, 434310, 448320, 448787, 461280, 463264, 579080, 615040, 694896, 868620, 896640, 897574, 922560, 926528, 1158160, 1346361, 1389792, 1737240, 1795148, 1845120, 1853056, 2243935, 2316320, 2692722, 2779584, 3474480, 3590296, 4487870, 4632640, 5385444, 5559168, 6731805, 6948960, 7180592, 8975740, 9265280, 10770888, 13463610, 13897920, 14361184, 17951480, 21541776, 26927220, 27795840, 28722368, 35902960, 43083552, 53854440, 57444736, 71805920, 86167104, 107708880, 143611840, 172334208, 215417760, 287223680, 430835520, 861671040]

約数ペア:

[(1, 861671040), (2, 430835520), (3, 287223680), (4, 215417760), (5, 172334208), (6, 143611840), (8, 107708880), (10, 86167104), (12, 71805920), (15, 57444736), (16, 53854440), (20, 43083552), (24, 35902960), (30, 28722368), (31, 27795840), (32, 26927220), (40, 21541776), (48, 17951480), (60, 14361184), (62, 13897920), (64, 13463610), (80, 10770888), (93, 9265280), (96, 8975740), (120, 7180592), (124, 6948960), (128, 6731805), (155, 5559168), (160, 5385444), (186, 4632640), (192, 4487870), (240, 3590296), (248, 3474480), (310, 2779584), (320, 2692722), (372, 2316320), (384, 2243935), (465, 1853056), (467, 1845120), (480, 1795148), (496, 1737240), (620, 1389792), (640, 1346361), (744, 1158160), (930, 926528), (934, 922560), (960, 897574), (961, 896640), (992, 868620), (1240, 694896), (1401, 615040), (1488, 579080), (1860, 463264), (1868, 461280), (1920, 448787), (1922, 448320), (1984, 434310), (2335, 369024), (2480, 347448), (2802, 307520), (2883, 298880), (2976, 289540), (3720, 231632), (3736, 230640), (3844, 224160), (3968, 217155), (4670, 184512), (4805, 179328), (4960, 173724), (5604, 153760), (5766, 149440), (5952, 144770), (7005, 123008), (7440, 115816), (7472, 115320), (7688, 112080), (9340, 92256), (9610, 89664), (9920, 86862), (11208, 76880), (11532, 74720), (11904, 72385), (14010, 61504), (14415, 59776), (14477, 59520), (14880, 57908), (14944, 57660), (15376, 56040), (18680, 46128), (19220, 44832), (19840, 43431), (22416, 38440), (23064, 37360), (28020, 30752), (28830, 29888), (28954, 29760)]