81656448

素因数分解:

$2^7\times 3^1\times {\mathrm{337}}^1\times {\mathrm{631}}^1$

素因数の和:985

約数の個数: 64

約数和(自身を含む): 217888320

約数和(自身を除く): 136231872

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 337, 384, 631, 674, 1011, 1262, 1348, 1893, 2022, 2524, 2696, 3786, 4044, 5048, 5392, 7572, 8088, 10096, 10784, 15144, 16176, 20192, 21568, 30288, 32352, 40384, 43136, 60576, 64704, 80768, 121152, 129408, 212647, 242304, 425294, 637941, 850588, 1275882, 1701176, 2551764, 3402352, 5103528, 6804704, 10207056, 13609408, 20414112, 27218816, 40828224, 81656448]

約数ペア:

[(1, 81656448), (2, 40828224), (3, 27218816), (4, 20414112), (6, 13609408), (8, 10207056), (12, 6804704), (16, 5103528), (24, 3402352), (32, 2551764), (48, 1701176), (64, 1275882), (96, 850588), (128, 637941), (192, 425294), (337, 242304), (384, 212647), (631, 129408), (674, 121152), (1011, 80768), (1262, 64704), (1348, 60576), (1893, 43136), (2022, 40384), (2524, 32352), (2696, 30288), (3786, 21568), (4044, 20192), (5048, 16176), (5392, 15144), (7572, 10784), (8088, 10096)]