68691420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{54517}}^1$

素因数の和:54539

約数の個数: 72

約数和(自身を含む): 238134624

約数和(自身を除く): 169443204

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 54517, 109034, 163551, 218068, 272585, 327102, 381619, 490653, 545170, 654204, 763238, 817755, 981306, 1090340, 1144857, 1526476, 1635510, 1908095, 1962612, 2289714, 2453265, 3271020, 3434571, 3816190, 4579428, 4906530, 5724285, 6869142, 7632380, 9813060, 11448570, 13738284, 17172855, 22897140, 34345710, 68691420]

約数ペア:

[(1, 68691420), (2, 34345710), (3, 22897140), (4, 17172855), (5, 13738284), (6, 11448570), (7, 9813060), (9, 7632380), (10, 6869142), (12, 5724285), (14, 4906530), (15, 4579428), (18, 3816190), (20, 3434571), (21, 3271020), (28, 2453265), (30, 2289714), (35, 1962612), (36, 1908095), (42, 1635510), (45, 1526476), (60, 1144857), (63, 1090340), (70, 981306), (84, 817755), (90, 763238), (105, 654204), (126, 545170), (140, 490653), (180, 381619), (210, 327102), (252, 272585), (315, 218068), (420, 163551), (630, 109034), (1260, 54517)]