68419980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 217211904

約数和(自身を除く): 148791924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 73, 82, 90, 123, 127, 146, 164, 180, 205, 219, 246, 254, 292, 365, 369, 381, 410, 438, 492, 508, 615, 635, 657, 730, 738, 762, 820, 876, 1095, 1143, 1230, 1270, 1314, 1460, 1476, 1524, 1845, 1905, 2190, 2286, 2460, 2540, 2628, 2993, 3285, 3690, 3810, 4380, 4572, 5207, 5715, 5986, 6570, 7380, 7620, 8979, 9271, 10414, 11430, 11972, 13140, 14965, 15621, 17958, 18542, 20828, 22860, 26035, 26937, 27813, 29930, 31242, 35916, 37084, 44895, 46355, 46863, 52070, 53874, 55626, 59860, 62484, 78105, 83439, 89790, 92710, 93726, 104140, 107748, 111252, 134685, 139065, 156210, 166878, 179580, 185420, 187452, 234315, 269370, 278130, 312420, 333756, 380111, 417195, 468630, 538740, 556260, 760222, 834390, 937260, 1140333, 1520444, 1668780, 1900555, 2280666, 3420999, 3801110, 4561332, 5701665, 6841998, 7602220, 11403330, 13683996, 17104995, 22806660, 34209990, 68419980]

約数ペア:

[(1, 68419980), (2, 34209990), (3, 22806660), (4, 17104995), (5, 13683996), (6, 11403330), (9, 7602220), (10, 6841998), (12, 5701665), (15, 4561332), (18, 3801110), (20, 3420999), (30, 2280666), (36, 1900555), (41, 1668780), (45, 1520444), (60, 1140333), (73, 937260), (82, 834390), (90, 760222), (123, 556260), (127, 538740), (146, 468630), (164, 417195), (180, 380111), (205, 333756), (219, 312420), (246, 278130), (254, 269370), (292, 234315), (365, 187452), (369, 185420), (381, 179580), (410, 166878), (438, 156210), (492, 139065), (508, 134685), (615, 111252), (635, 107748), (657, 104140), (730, 93726), (738, 92710), (762, 89790), (820, 83439), (876, 78105), (1095, 62484), (1143, 59860), (1230, 55626), (1270, 53874), (1314, 52070), (1460, 46863), (1476, 46355), (1524, 44895), (1845, 37084), (1905, 35916), (2190, 31242), (2286, 29930), (2460, 27813), (2540, 26937), (2628, 26035), (2993, 22860), (3285, 20828), (3690, 18542), (3810, 17958), (4380, 15621), (4572, 14965), (5207, 13140), (5715, 11972), (5986, 11430), (6570, 10414), (7380, 9271), (7620, 8979)]