256301568

素因数分解:

$2^9\times 3^2\times {\mathrm{55621}}^1$

素因数の和:55645

約数の個数: 60

約数和(自身を含む): 739716978

約数和(自身を除く): 483415410

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1152, 1536, 2304, 4608, 55621, 111242, 166863, 222484, 333726, 444968, 500589, 667452, 889936, 1001178, 1334904, 1779872, 2002356, 2669808, 3559744, 4004712, 5339616, 7119488, 8009424, 10679232, 14238976, 16018848, 21358464, 28477952, 32037696, 42716928, 64075392, 85433856, 128150784, 256301568]

約数ペア:

[(1, 256301568), (2, 128150784), (3, 85433856), (4, 64075392), (6, 42716928), (8, 32037696), (9, 28477952), (12, 21358464), (16, 16018848), (18, 14238976), (24, 10679232), (32, 8009424), (36, 7119488), (48, 5339616), (64, 4004712), (72, 3559744), (96, 2669808), (128, 2002356), (144, 1779872), (192, 1334904), (256, 1001178), (288, 889936), (384, 667452), (512, 500589), (576, 444968), (768, 333726), (1152, 222484), (1536, 166863), (2304, 111242), (4608, 55621)]