68844945

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 124185600

約数和(自身を除く): 55340655

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 79, 109, 123, 195, 205, 237, 327, 395, 533, 545, 615, 1027, 1185, 1417, 1599, 1635, 2665, 3081, 3239, 4251, 4469, 5135, 7085, 7995, 8611, 9717, 13407, 15405, 16195, 21255, 22345, 25833, 42107, 43055, 48585, 58097, 67035, 111943, 126321, 129165, 174291, 210535, 290485, 335829, 353051, 559715, 631605, 871455, 1059153, 1679145, 1765255, 4589663, 5295765, 13768989, 22948315, 68844945]

約数ペア:

[(1, 68844945), (3, 22948315), (5, 13768989), (13, 5295765), (15, 4589663), (39, 1765255), (41, 1679145), (65, 1059153), (79, 871455), (109, 631605), (123, 559715), (195, 353051), (205, 335829), (237, 290485), (327, 210535), (395, 174291), (533, 129165), (545, 126321), (615, 111943), (1027, 67035), (1185, 58097), (1417, 48585), (1599, 43055), (1635, 42107), (2665, 25833), (3081, 22345), (3239, 21255), (4251, 16195), (4469, 15405), (5135, 13407), (7085, 9717), (7995, 8611)]