77773240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{439}}^1$

素因数の和:596

約数の個数: 64

約数和(自身を含む): 181209600

約数和(自身を除く): 103436360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 103, 172, 206, 215, 344, 412, 430, 439, 515, 824, 860, 878, 1030, 1720, 1756, 2060, 2195, 3512, 4120, 4390, 4429, 8780, 8858, 17560, 17716, 18877, 22145, 35432, 37754, 44290, 45217, 75508, 88580, 90434, 94385, 151016, 177160, 180868, 188770, 226085, 361736, 377540, 452170, 755080, 904340, 1808680, 1944331, 3888662, 7777324, 9721655, 15554648, 19443310, 38886620, 77773240]

約数ペア:

[(1, 77773240), (2, 38886620), (4, 19443310), (5, 15554648), (8, 9721655), (10, 7777324), (20, 3888662), (40, 1944331), (43, 1808680), (86, 904340), (103, 755080), (172, 452170), (206, 377540), (215, 361736), (344, 226085), (412, 188770), (430, 180868), (439, 177160), (515, 151016), (824, 94385), (860, 90434), (878, 88580), (1030, 75508), (1720, 45217), (1756, 44290), (2060, 37754), (2195, 35432), (3512, 22145), (4120, 18877), (4390, 17716), (4429, 17560), (8780, 8858)]