61319720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{463}}^1$

素因数の和:535

約数の個数: 128

約数和(自身を含む): 176394240

約数和(自身を除く): 115074520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 43, 44, 55, 56, 70, 77, 86, 88, 110, 140, 154, 172, 215, 220, 280, 301, 308, 344, 385, 430, 440, 463, 473, 602, 616, 770, 860, 926, 946, 1204, 1505, 1540, 1720, 1852, 1892, 2315, 2365, 2408, 3010, 3080, 3241, 3311, 3704, 3784, 4630, 4730, 5093, 6020, 6482, 6622, 9260, 9460, 10186, 12040, 12964, 13244, 16205, 16555, 18520, 18920, 19909, 20372, 25465, 25928, 26488, 32410, 33110, 35651, 39818, 40744, 50930, 64820, 66220, 71302, 79636, 99545, 101860, 129640, 132440, 139363, 142604, 159272, 178255, 199090, 203720, 218999, 278726, 285208, 356510, 398180, 437998, 557452, 696815, 713020, 796360, 875996, 1094995, 1114904, 1393630, 1426040, 1532993, 1751992, 2189990, 2787260, 3065986, 4379980, 5574520, 6131972, 7664965, 8759960, 12263944, 15329930, 30659860, 61319720]

約数ペア:

[(1, 61319720), (2, 30659860), (4, 15329930), (5, 12263944), (7, 8759960), (8, 7664965), (10, 6131972), (11, 5574520), (14, 4379980), (20, 3065986), (22, 2787260), (28, 2189990), (35, 1751992), (40, 1532993), (43, 1426040), (44, 1393630), (55, 1114904), (56, 1094995), (70, 875996), (77, 796360), (86, 713020), (88, 696815), (110, 557452), (140, 437998), (154, 398180), (172, 356510), (215, 285208), (220, 278726), (280, 218999), (301, 203720), (308, 199090), (344, 178255), (385, 159272), (430, 142604), (440, 139363), (463, 132440), (473, 129640), (602, 101860), (616, 99545), (770, 79636), (860, 71302), (926, 66220), (946, 64820), (1204, 50930), (1505, 40744), (1540, 39818), (1720, 35651), (1852, 33110), (1892, 32410), (2315, 26488), (2365, 25928), (2408, 25465), (3010, 20372), (3080, 19909), (3241, 18920), (3311, 18520), (3704, 16555), (3784, 16205), (4630, 13244), (4730, 12964), (5093, 12040), (6020, 10186), (6482, 9460), (6622, 9260)]