66847760

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17053}}^1$

素因数の和:17080

約数の個数: 60

約数和(自身を含む): 180806508

約数和(自身を除く): 113958748

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 17053, 34106, 68212, 85265, 119371, 136424, 170530, 238742, 272848, 341060, 477484, 596855, 682120, 835597, 954968, 1193710, 1364240, 1671194, 1909936, 2387420, 3342388, 4177985, 4774840, 6684776, 8355970, 9549680, 13369552, 16711940, 33423880, 66847760]

約数ペア:

[(1, 66847760), (2, 33423880), (4, 16711940), (5, 13369552), (7, 9549680), (8, 8355970), (10, 6684776), (14, 4774840), (16, 4177985), (20, 3342388), (28, 2387420), (35, 1909936), (40, 1671194), (49, 1364240), (56, 1193710), (70, 954968), (80, 835597), (98, 682120), (112, 596855), (140, 477484), (196, 341060), (245, 272848), (280, 238742), (392, 170530), (490, 136424), (560, 119371), (784, 85265), (980, 68212), (1960, 34106), (3920, 17053)]