67086880

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:271

約数の個数: 144

約数和(自身を含む): 189604800

約数和(自身を除く): 122517920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 49, 56, 70, 80, 86, 98, 112, 140, 160, 172, 196, 199, 215, 224, 245, 280, 301, 344, 392, 398, 430, 490, 560, 602, 688, 784, 796, 860, 980, 995, 1120, 1204, 1376, 1393, 1505, 1568, 1592, 1720, 1960, 1990, 2107, 2408, 2786, 3010, 3184, 3440, 3920, 3980, 4214, 4816, 5572, 6020, 6368, 6880, 6965, 7840, 7960, 8428, 8557, 9632, 9751, 10535, 11144, 12040, 13930, 15920, 16856, 17114, 19502, 21070, 22288, 24080, 27860, 31840, 33712, 34228, 39004, 42140, 42785, 44576, 48160, 48755, 55720, 59899, 67424, 68456, 78008, 84280, 85570, 97510, 111440, 119798, 136912, 156016, 168560, 171140, 195020, 222880, 239596, 273824, 299495, 312032, 337120, 342280, 390040, 419293, 479192, 598990, 684560, 780080, 838586, 958384, 1197980, 1369120, 1560160, 1677172, 1916768, 2096465, 2395960, 3354344, 4192930, 4791920, 6708688, 8385860, 9583840, 13417376, 16771720, 33543440, 67086880]

約数ペア:

[(1, 67086880), (2, 33543440), (4, 16771720), (5, 13417376), (7, 9583840), (8, 8385860), (10, 6708688), (14, 4791920), (16, 4192930), (20, 3354344), (28, 2395960), (32, 2096465), (35, 1916768), (40, 1677172), (43, 1560160), (49, 1369120), (56, 1197980), (70, 958384), (80, 838586), (86, 780080), (98, 684560), (112, 598990), (140, 479192), (160, 419293), (172, 390040), (196, 342280), (199, 337120), (215, 312032), (224, 299495), (245, 273824), (280, 239596), (301, 222880), (344, 195020), (392, 171140), (398, 168560), (430, 156016), (490, 136912), (560, 119798), (602, 111440), (688, 97510), (784, 85570), (796, 84280), (860, 78008), (980, 68456), (995, 67424), (1120, 59899), (1204, 55720), (1376, 48755), (1393, 48160), (1505, 44576), (1568, 42785), (1592, 42140), (1720, 39004), (1960, 34228), (1990, 33712), (2107, 31840), (2408, 27860), (2786, 24080), (3010, 22288), (3184, 21070), (3440, 19502), (3920, 17114), (3980, 16856), (4214, 15920), (4816, 13930), (5572, 12040), (6020, 11144), (6368, 10535), (6880, 9751), (6965, 9632), (7840, 8557), (7960, 8428)]