66437140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{6163}}^1$

素因数の和:6197

約数の個数: 72

約数和(自身を含む): 177079392

約数和(自身を除く): 110642252

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 6163, 10780, 12326, 24652, 30815, 43141, 61630, 67793, 86282, 123260, 135586, 172564, 215705, 271172, 301987, 338965, 431410, 474551, 603974, 677930, 862820, 949102, 1207948, 1355860, 1509935, 1898204, 2372755, 3019870, 3321857, 4745510, 6039740, 6643714, 9491020, 13287428, 16609285, 33218570, 66437140]

約数ペア:

[(1, 66437140), (2, 33218570), (4, 16609285), (5, 13287428), (7, 9491020), (10, 6643714), (11, 6039740), (14, 4745510), (20, 3321857), (22, 3019870), (28, 2372755), (35, 1898204), (44, 1509935), (49, 1355860), (55, 1207948), (70, 949102), (77, 862820), (98, 677930), (110, 603974), (140, 474551), (154, 431410), (196, 338965), (220, 301987), (245, 271172), (308, 215705), (385, 172564), (490, 135586), (539, 123260), (770, 86282), (980, 67793), (1078, 61630), (1540, 43141), (2156, 30815), (2695, 24652), (5390, 12326), (6163, 10780)]