68968480

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{463}}^1$

素因数の和:511

約数の個数: 144

約数和(自身を含む): 199946880

約数和(自身を除く): 130978400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 380, 392, 463, 490, 532, 560, 608, 665, 760, 784, 926, 931, 980, 1064, 1120, 1330, 1520, 1568, 1852, 1862, 1960, 2128, 2315, 2660, 3040, 3241, 3704, 3724, 3920, 4256, 4630, 4655, 5320, 6482, 7408, 7448, 7840, 8797, 9260, 9310, 10640, 12964, 14816, 14896, 16205, 17594, 18520, 18620, 21280, 22687, 25928, 29792, 32410, 35188, 37040, 37240, 43985, 45374, 51856, 61579, 64820, 70376, 74080, 74480, 87970, 90748, 103712, 113435, 123158, 129640, 140752, 148960, 175940, 181496, 226870, 246316, 259280, 281504, 307895, 351880, 362992, 431053, 453740, 492632, 518560, 615790, 703760, 725984, 862106, 907480, 985264, 1231580, 1407520, 1724212, 1814960, 1970528, 2155265, 2463160, 3448424, 3629920, 4310530, 4926320, 6896848, 8621060, 9852640, 13793696, 17242120, 34484240, 68968480]

約数ペア:

[(1, 68968480), (2, 34484240), (4, 17242120), (5, 13793696), (7, 9852640), (8, 8621060), (10, 6896848), (14, 4926320), (16, 4310530), (19, 3629920), (20, 3448424), (28, 2463160), (32, 2155265), (35, 1970528), (38, 1814960), (40, 1724212), (49, 1407520), (56, 1231580), (70, 985264), (76, 907480), (80, 862106), (95, 725984), (98, 703760), (112, 615790), (133, 518560), (140, 492632), (152, 453740), (160, 431053), (190, 362992), (196, 351880), (224, 307895), (245, 281504), (266, 259280), (280, 246316), (304, 226870), (380, 181496), (392, 175940), (463, 148960), (490, 140752), (532, 129640), (560, 123158), (608, 113435), (665, 103712), (760, 90748), (784, 87970), (926, 74480), (931, 74080), (980, 70376), (1064, 64820), (1120, 61579), (1330, 51856), (1520, 45374), (1568, 43985), (1852, 37240), (1862, 37040), (1960, 35188), (2128, 32410), (2315, 29792), (2660, 25928), (3040, 22687), (3241, 21280), (3704, 18620), (3724, 18520), (3920, 17594), (4256, 16205), (4630, 14896), (4655, 14816), (5320, 12964), (6482, 10640), (7408, 9310), (7448, 9260), (7840, 8797)]