66788960

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{1217}}^1$

素因数の和:1253

約数の個数: 96

約数和(自身を含む): 184161600

約数和(自身を除く): 117372640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1120, 1217, 1372, 1568, 1715, 1960, 2434, 2744, 3430, 3920, 4868, 5488, 6085, 6860, 7840, 8519, 9736, 10976, 12170, 13720, 17038, 19472, 24340, 27440, 34076, 38944, 42595, 48680, 54880, 59633, 68152, 85190, 97360, 119266, 136304, 170380, 194720, 238532, 272608, 298165, 340760, 417431, 477064, 596330, 681520, 834862, 954128, 1192660, 1363040, 1669724, 1908256, 2087155, 2385320, 3339448, 4174310, 4770640, 6678896, 8348620, 9541280, 13357792, 16697240, 33394480, 66788960]

約数ペア:

[(1, 66788960), (2, 33394480), (4, 16697240), (5, 13357792), (7, 9541280), (8, 8348620), (10, 6678896), (14, 4770640), (16, 4174310), (20, 3339448), (28, 2385320), (32, 2087155), (35, 1908256), (40, 1669724), (49, 1363040), (56, 1192660), (70, 954128), (80, 834862), (98, 681520), (112, 596330), (140, 477064), (160, 417431), (196, 340760), (224, 298165), (245, 272608), (280, 238532), (343, 194720), (392, 170380), (490, 136304), (560, 119266), (686, 97360), (784, 85190), (980, 68152), (1120, 59633), (1217, 54880), (1372, 48680), (1568, 42595), (1715, 38944), (1960, 34076), (2434, 27440), (2744, 24340), (3430, 19472), (3920, 17038), (4868, 13720), (5488, 12170), (6085, 10976), (6860, 9736), (7840, 8519)]