256460960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{228983}}^1$

素因数の和:229005

約数の個数: 48

約数和(自身を含む): 692447616

約数和(自身を除く): 435986656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 228983, 457966, 915932, 1144915, 1602881, 1831864, 2289830, 3205762, 3663728, 4579660, 6411524, 7327456, 8014405, 9159320, 12823048, 16028810, 18318640, 25646096, 32057620, 36637280, 51292192, 64115240, 128230480, 256460960]

約数ペア:

[(1, 256460960), (2, 128230480), (4, 64115240), (5, 51292192), (7, 36637280), (8, 32057620), (10, 25646096), (14, 18318640), (16, 16028810), (20, 12823048), (28, 9159320), (32, 8014405), (35, 7327456), (40, 6411524), (56, 4579660), (70, 3663728), (80, 3205762), (112, 2289830), (140, 1831864), (160, 1602881), (224, 1144915), (280, 915932), (560, 457966), (1120, 228983)]