68420340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{593}}^1\times {\mathrm{641}}^1$

素因数の和:1249

約数の個数: 72

約数和(自身を含む): 208216008

約数和(自身を除く): 139795668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 593, 641, 1186, 1282, 1779, 1923, 2372, 2564, 2965, 3205, 3558, 3846, 5337, 5769, 5930, 6410, 7116, 7692, 8895, 9615, 10674, 11538, 11860, 12820, 17790, 19230, 21348, 23076, 26685, 28845, 35580, 38460, 53370, 57690, 106740, 115380, 380113, 760226, 1140339, 1520452, 1900565, 2280678, 3421017, 3801130, 4561356, 5701695, 6842034, 7602260, 11403390, 13684068, 17105085, 22806780, 34210170, 68420340]

約数ペア:

[(1, 68420340), (2, 34210170), (3, 22806780), (4, 17105085), (5, 13684068), (6, 11403390), (9, 7602260), (10, 6842034), (12, 5701695), (15, 4561356), (18, 3801130), (20, 3421017), (30, 2280678), (36, 1900565), (45, 1520452), (60, 1140339), (90, 760226), (180, 380113), (593, 115380), (641, 106740), (1186, 57690), (1282, 53370), (1779, 38460), (1923, 35580), (2372, 28845), (2564, 26685), (2965, 23076), (3205, 21348), (3558, 19230), (3846, 17790), (5337, 12820), (5769, 11860), (5930, 11538), (6410, 10674), (7116, 9615), (7692, 8895)]