128758176

素因数分解:

$2^5\times 3^2\times {\mathrm{647}}^1\times {\mathrm{691}}^1$

素因数の和:1354

約数の個数: 72

約数和(自身を含む): 367252704

約数和(自身を除く): 238494528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 647, 691, 1294, 1382, 1941, 2073, 2588, 2764, 3882, 4146, 5176, 5528, 5823, 6219, 7764, 8292, 10352, 11056, 11646, 12438, 15528, 16584, 20704, 22112, 23292, 24876, 31056, 33168, 46584, 49752, 62112, 66336, 93168, 99504, 186336, 199008, 447077, 894154, 1341231, 1788308, 2682462, 3576616, 4023693, 5364924, 7153232, 8047386, 10729848, 14306464, 16094772, 21459696, 32189544, 42919392, 64379088, 128758176]

約数ペア:

[(1, 128758176), (2, 64379088), (3, 42919392), (4, 32189544), (6, 21459696), (8, 16094772), (9, 14306464), (12, 10729848), (16, 8047386), (18, 7153232), (24, 5364924), (32, 4023693), (36, 3576616), (48, 2682462), (72, 1788308), (96, 1341231), (144, 894154), (288, 447077), (647, 199008), (691, 186336), (1294, 99504), (1382, 93168), (1941, 66336), (2073, 62112), (2588, 49752), (2764, 46584), (3882, 33168), (4146, 31056), (5176, 24876), (5528, 23292), (5823, 22112), (6219, 20704), (7764, 16584), (8292, 15528), (10352, 12438), (11056, 11646)]