255298960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6421}}^1$

素因数の和:6512

約数の個数: 80

約数和(自身を含む): 688027392

約数和(自身を除く): 432728432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1988, 2485, 2840, 3976, 4970, 5680, 6421, 7952, 9940, 12842, 19880, 25684, 32105, 39760, 44947, 51368, 64210, 89894, 102736, 128420, 179788, 224735, 256840, 359576, 449470, 455891, 513680, 719152, 898940, 911782, 1797880, 1823564, 2279455, 3191237, 3595760, 3647128, 4558910, 6382474, 7294256, 9117820, 12764948, 15956185, 18235640, 25529896, 31912370, 36471280, 51059792, 63824740, 127649480, 255298960]

約数ペア:

[(1, 255298960), (2, 127649480), (4, 63824740), (5, 51059792), (7, 36471280), (8, 31912370), (10, 25529896), (14, 18235640), (16, 15956185), (20, 12764948), (28, 9117820), (35, 7294256), (40, 6382474), (56, 4558910), (70, 3647128), (71, 3595760), (80, 3191237), (112, 2279455), (140, 1823564), (142, 1797880), (280, 911782), (284, 898940), (355, 719152), (497, 513680), (560, 455891), (568, 449470), (710, 359576), (994, 256840), (1136, 224735), (1420, 179788), (1988, 128420), (2485, 102736), (2840, 89894), (3976, 64210), (4970, 51368), (5680, 44947), (6421, 39760), (7952, 32105), (9940, 25684), (12842, 19880)]