255881856

素因数分解:

$2^7\times 3^1\times {\mathrm{521}}^1\times {\mathrm{1279}}^1$

素因数の和:1817

約数の個数: 64

約数和(自身を含む): 681523200

約数和(自身を除く): 425641344

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 521, 1042, 1279, 1563, 2084, 2558, 3126, 3837, 4168, 5116, 6252, 7674, 8336, 10232, 12504, 15348, 16672, 20464, 25008, 30696, 33344, 40928, 50016, 61392, 66688, 81856, 100032, 122784, 163712, 200064, 245568, 491136, 666359, 1332718, 1999077, 2665436, 3998154, 5330872, 7996308, 10661744, 15992616, 21323488, 31985232, 42646976, 63970464, 85293952, 127940928, 255881856]

約数ペア:

[(1, 255881856), (2, 127940928), (3, 85293952), (4, 63970464), (6, 42646976), (8, 31985232), (12, 21323488), (16, 15992616), (24, 10661744), (32, 7996308), (48, 5330872), (64, 3998154), (96, 2665436), (128, 1999077), (192, 1332718), (384, 666359), (521, 491136), (1042, 245568), (1279, 200064), (1563, 163712), (2084, 122784), (2558, 100032), (3126, 81856), (3837, 66688), (4168, 61392), (5116, 50016), (6252, 40928), (7674, 33344), (8336, 30696), (10232, 25008), (12504, 20464), (15348, 16672)]