91581540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^2$

素因数の和:369

約数の個数: 72

約数和(自身を含む): 261555840

約数和(自身を除く): 169974300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 139, 158, 237, 278, 316, 395, 417, 474, 556, 695, 790, 834, 948, 1185, 1390, 1580, 1668, 2085, 2370, 2780, 4170, 4740, 8340, 10981, 19321, 21962, 32943, 38642, 43924, 54905, 57963, 65886, 77284, 96605, 109810, 115926, 131772, 164715, 193210, 219620, 231852, 289815, 329430, 386420, 579630, 658860, 1159260, 1526359, 3052718, 4579077, 6105436, 7631795, 9158154, 15263590, 18316308, 22895385, 30527180, 45790770, 91581540]

約数ペア:

[(1, 91581540), (2, 45790770), (3, 30527180), (4, 22895385), (5, 18316308), (6, 15263590), (10, 9158154), (12, 7631795), (15, 6105436), (20, 4579077), (30, 3052718), (60, 1526359), (79, 1159260), (139, 658860), (158, 579630), (237, 386420), (278, 329430), (316, 289815), (395, 231852), (417, 219620), (474, 193210), (556, 164715), (695, 131772), (790, 115926), (834, 109810), (948, 96605), (1185, 77284), (1390, 65886), (1580, 57963), (1668, 54905), (2085, 43924), (2370, 38642), (2780, 32943), (4170, 21962), (4740, 19321), (8340, 10981)]