256782816

素因数分解:

$2^5\times 3^2\times {\mathrm{457}}^1\times {\mathrm{1951}}^1$

素因数の和:2424

約数の個数: 72

約数和(自身を含む): 732199104

約数和(自身を除く): 475416288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 457, 914, 1371, 1828, 1951, 2742, 3656, 3902, 4113, 5484, 5853, 7312, 7804, 8226, 10968, 11706, 14624, 15608, 16452, 17559, 21936, 23412, 31216, 32904, 35118, 43872, 46824, 62432, 65808, 70236, 93648, 131616, 140472, 187296, 280944, 561888, 891607, 1783214, 2674821, 3566428, 5349642, 7132856, 8024463, 10699284, 14265712, 16048926, 21398568, 28531424, 32097852, 42797136, 64195704, 85594272, 128391408, 256782816]

約数ペア:

[(1, 256782816), (2, 128391408), (3, 85594272), (4, 64195704), (6, 42797136), (8, 32097852), (9, 28531424), (12, 21398568), (16, 16048926), (18, 14265712), (24, 10699284), (32, 8024463), (36, 7132856), (48, 5349642), (72, 3566428), (96, 2674821), (144, 1783214), (288, 891607), (457, 561888), (914, 280944), (1371, 187296), (1828, 140472), (1951, 131616), (2742, 93648), (3656, 70236), (3902, 65808), (4113, 62432), (5484, 46824), (5853, 43872), (7312, 35118), (7804, 32904), (8226, 31216), (10968, 23412), (11706, 21936), (14624, 17559), (15608, 16452)]