78418680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{6737}}^1$

素因数の和:6848

約数の個数: 64

約数和(自身を含む): 237716640

約数和(自身を除く): 159297960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1940, 2328, 2910, 3880, 5820, 6737, 11640, 13474, 20211, 26948, 33685, 40422, 53896, 67370, 80844, 101055, 134740, 161688, 202110, 269480, 404220, 653489, 808440, 1306978, 1960467, 2613956, 3267445, 3920934, 5227912, 6534890, 7841868, 9802335, 13069780, 15683736, 19604670, 26139560, 39209340, 78418680]

約数ペア:

[(1, 78418680), (2, 39209340), (3, 26139560), (4, 19604670), (5, 15683736), (6, 13069780), (8, 9802335), (10, 7841868), (12, 6534890), (15, 5227912), (20, 3920934), (24, 3267445), (30, 2613956), (40, 1960467), (60, 1306978), (97, 808440), (120, 653489), (194, 404220), (291, 269480), (388, 202110), (485, 161688), (582, 134740), (776, 101055), (970, 80844), (1164, 67370), (1455, 53896), (1940, 40422), (2328, 33685), (2910, 26948), (3880, 20211), (5820, 13474), (6737, 11640)]