256019640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1429}}^1\times {\mathrm{1493}}^1$

素因数の和:2936

約数の個数: 64

約数和(自身を含む): 769111200

約数和(自身を除く): 513091560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1429, 1493, 2858, 2986, 4287, 4479, 5716, 5972, 7145, 7465, 8574, 8958, 11432, 11944, 14290, 14930, 17148, 17916, 21435, 22395, 28580, 29860, 34296, 35832, 42870, 44790, 57160, 59720, 85740, 89580, 171480, 179160, 2133497, 4266994, 6400491, 8533988, 10667485, 12800982, 17067976, 21334970, 25601964, 32002455, 42669940, 51203928, 64004910, 85339880, 128009820, 256019640]

約数ペア:

[(1, 256019640), (2, 128009820), (3, 85339880), (4, 64004910), (5, 51203928), (6, 42669940), (8, 32002455), (10, 25601964), (12, 21334970), (15, 17067976), (20, 12800982), (24, 10667485), (30, 8533988), (40, 6400491), (60, 4266994), (120, 2133497), (1429, 179160), (1493, 171480), (2858, 89580), (2986, 85740), (4287, 59720), (4479, 57160), (5716, 44790), (5972, 42870), (7145, 35832), (7465, 34296), (8574, 29860), (8958, 28580), (11432, 22395), (11944, 21435), (14290, 17916), (14930, 17148)]