31130880

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1$

素因数の和:113

約数の個数: 216

約数和(自身を含む): 110915616

約数和(自身を除く): 79784736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 67, 80, 88, 96, 110, 120, 121, 128, 132, 134, 160, 165, 176, 192, 201, 220, 240, 242, 256, 264, 268, 320, 330, 335, 352, 363, 384, 402, 440, 480, 484, 528, 536, 605, 640, 660, 670, 704, 726, 737, 768, 804, 880, 960, 968, 1005, 1056, 1072, 1210, 1280, 1320, 1340, 1408, 1452, 1474, 1608, 1760, 1815, 1920, 1936, 2010, 2112, 2144, 2211, 2420, 2640, 2680, 2816, 2904, 2948, 3216, 3520, 3630, 3685, 3840, 3872, 4020, 4224, 4288, 4422, 4840, 5280, 5360, 5808, 5896, 6432, 7040, 7260, 7370, 7744, 8040, 8107, 8448, 8576, 8844, 9680, 10560, 10720, 11055, 11616, 11792, 12864, 14080, 14520, 14740, 15488, 16080, 16214, 17152, 17688, 19360, 21120, 21440, 22110, 23232, 23584, 24321, 25728, 29040, 29480, 30976, 32160, 32428, 35376, 38720, 40535, 42240, 42880, 44220, 46464, 47168, 48642, 51456, 58080, 58960, 64320, 64856, 70752, 77440, 81070, 85760, 88440, 92928, 94336, 97284, 116160, 117920, 121605, 128640, 129712, 141504, 154880, 162140, 176880, 188672, 194568, 232320, 235840, 243210, 257280, 259424, 283008, 324280, 353760, 389136, 464640, 471680, 486420, 518848, 566016, 648560, 707520, 778272, 943360, 972840, 1037696, 1297120, 1415040, 1556544, 1945680, 2075392, 2594240, 2830080, 3113088, 3891360, 5188480, 6226176, 7782720, 10376960, 15565440, 31130880]

約数ペア:

[(1, 31130880), (2, 15565440), (3, 10376960), (4, 7782720), (5, 6226176), (6, 5188480), (8, 3891360), (10, 3113088), (11, 2830080), (12, 2594240), (15, 2075392), (16, 1945680), (20, 1556544), (22, 1415040), (24, 1297120), (30, 1037696), (32, 972840), (33, 943360), (40, 778272), (44, 707520), (48, 648560), (55, 566016), (60, 518848), (64, 486420), (66, 471680), (67, 464640), (80, 389136), (88, 353760), (96, 324280), (110, 283008), (120, 259424), (121, 257280), (128, 243210), (132, 235840), (134, 232320), (160, 194568), (165, 188672), (176, 176880), (192, 162140), (201, 154880), (220, 141504), (240, 129712), (242, 128640), (256, 121605), (264, 117920), (268, 116160), (320, 97284), (330, 94336), (335, 92928), (352, 88440), (363, 85760), (384, 81070), (402, 77440), (440, 70752), (480, 64856), (484, 64320), (528, 58960), (536, 58080), (605, 51456), (640, 48642), (660, 47168), (670, 46464), (704, 44220), (726, 42880), (737, 42240), (768, 40535), (804, 38720), (880, 35376), (960, 32428), (968, 32160), (1005, 30976), (1056, 29480), (1072, 29040), (1210, 25728), (1280, 24321), (1320, 23584), (1340, 23232), (1408, 22110), (1452, 21440), (1474, 21120), (1608, 19360), (1760, 17688), (1815, 17152), (1920, 16214), (1936, 16080), (2010, 15488), (2112, 14740), (2144, 14520), (2211, 14080), (2420, 12864), (2640, 11792), (2680, 11616), (2816, 11055), (2904, 10720), (2948, 10560), (3216, 9680), (3520, 8844), (3630, 8576), (3685, 8448), (3840, 8107), (3872, 8040), (4020, 7744), (4224, 7370), (4288, 7260), (4422, 7040), (4840, 6432), (5280, 5896), (5360, 5808)]