256779840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{267479}}^1$

素因数の和:267499

約数の個数: 56

約数和(自身を含む): 815279040

約数和(自身を除く): 558499200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 267479, 534958, 802437, 1069916, 1337395, 1604874, 2139832, 2674790, 3209748, 4012185, 4279664, 5349580, 6419496, 8024370, 8559328, 10699160, 12838992, 16048740, 17118656, 21398320, 25677984, 32097480, 42796640, 51355968, 64194960, 85593280, 128389920, 256779840]

約数ペア:

[(1, 256779840), (2, 128389920), (3, 85593280), (4, 64194960), (5, 51355968), (6, 42796640), (8, 32097480), (10, 25677984), (12, 21398320), (15, 17118656), (16, 16048740), (20, 12838992), (24, 10699160), (30, 8559328), (32, 8024370), (40, 6419496), (48, 5349580), (60, 4279664), (64, 4012185), (80, 3209748), (96, 2674790), (120, 2139832), (160, 1604874), (192, 1337395), (240, 1069916), (320, 802437), (480, 534958), (960, 267479)]