645888

素因数分解:

$2^8\times 3^1\times {\mathrm{29}}^2$

素因数の和:77

約数の個数: 54

約数和(自身を含む): 1780324

約数和(自身を除く): 1134436

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 48, 58, 64, 87, 96, 116, 128, 174, 192, 232, 256, 348, 384, 464, 696, 768, 841, 928, 1392, 1682, 1856, 2523, 2784, 3364, 3712, 5046, 5568, 6728, 7424, 10092, 11136, 13456, 20184, 22272, 26912, 40368, 53824, 80736, 107648, 161472, 215296, 322944, 645888]

約数ペア:

[(1, 645888), (2, 322944), (3, 215296), (4, 161472), (6, 107648), (8, 80736), (12, 53824), (16, 40368), (24, 26912), (29, 22272), (32, 20184), (48, 13456), (58, 11136), (64, 10092), (87, 7424), (96, 6728), (116, 5568), (128, 5046), (174, 3712), (192, 3364), (232, 2784), (256, 2523), (348, 1856), (384, 1682), (464, 1392), (696, 928), (768, 841)]