68998155

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 122923008

約数和(自身を除く): 53924853

約数列:

[1, 3, 5, 15, 17, 37, 51, 71, 85, 103, 111, 185, 213, 255, 309, 355, 515, 555, 629, 1065, 1207, 1545, 1751, 1887, 2627, 3145, 3621, 3811, 5253, 6035, 7313, 7881, 8755, 9435, 11433, 13135, 18105, 19055, 21939, 26265, 36565, 39405, 44659, 57165, 64787, 109695, 124321, 133977, 194361, 223295, 270581, 323935, 372963, 621605, 669885, 811743, 971805, 1352905, 1864815, 4058715, 4599877, 13799631, 22999385, 68998155]

約数ペア:

[(1, 68998155), (3, 22999385), (5, 13799631), (15, 4599877), (17, 4058715), (37, 1864815), (51, 1352905), (71, 971805), (85, 811743), (103, 669885), (111, 621605), (185, 372963), (213, 323935), (255, 270581), (309, 223295), (355, 194361), (515, 133977), (555, 124321), (629, 109695), (1065, 64787), (1207, 57165), (1545, 44659), (1751, 39405), (1887, 36565), (2627, 26265), (3145, 21939), (3621, 19055), (3811, 18105), (5253, 13135), (6035, 11433), (7313, 9435), (7881, 8755)]