31147840

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:192

約数の個数: 112

約数和(自身を含む): 80467200

約数和(自身を除く): 49319360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 47, 64, 76, 80, 94, 95, 109, 152, 160, 188, 190, 218, 235, 304, 320, 376, 380, 436, 470, 545, 608, 752, 760, 872, 893, 940, 1090, 1216, 1504, 1520, 1744, 1786, 1880, 2071, 2180, 3008, 3040, 3488, 3572, 3760, 4142, 4360, 4465, 5123, 6080, 6976, 7144, 7520, 8284, 8720, 8930, 10246, 10355, 14288, 15040, 16568, 17440, 17860, 20492, 20710, 25615, 28576, 33136, 34880, 35720, 40984, 41420, 51230, 57152, 66272, 71440, 81968, 82840, 97337, 102460, 132544, 142880, 163936, 165680, 194674, 204920, 285760, 327872, 331360, 389348, 409840, 486685, 662720, 778696, 819680, 973370, 1557392, 1639360, 1946740, 3114784, 3893480, 6229568, 7786960, 15573920, 31147840]

約数ペア:

[(1, 31147840), (2, 15573920), (4, 7786960), (5, 6229568), (8, 3893480), (10, 3114784), (16, 1946740), (19, 1639360), (20, 1557392), (32, 973370), (38, 819680), (40, 778696), (47, 662720), (64, 486685), (76, 409840), (80, 389348), (94, 331360), (95, 327872), (109, 285760), (152, 204920), (160, 194674), (188, 165680), (190, 163936), (218, 142880), (235, 132544), (304, 102460), (320, 97337), (376, 82840), (380, 81968), (436, 71440), (470, 66272), (545, 57152), (608, 51230), (752, 41420), (760, 40984), (872, 35720), (893, 34880), (940, 33136), (1090, 28576), (1216, 25615), (1504, 20710), (1520, 20492), (1744, 17860), (1786, 17440), (1880, 16568), (2071, 15040), (2180, 14288), (3008, 10355), (3040, 10246), (3488, 8930), (3572, 8720), (3760, 8284), (4142, 7520), (4360, 7144), (4465, 6976), (5123, 6080)]