858705280

素因数分解:

$2^7\times 5^1\times {\mathrm{421}}^1\times {\mathrm{3187}}^1$

素因数の和:3627

約数の個数: 64

約数和(自身を含む): 2058364080

約数和(自身を除く): 1199658800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 421, 640, 842, 1684, 2105, 3187, 3368, 4210, 6374, 6736, 8420, 12748, 13472, 15935, 16840, 25496, 26944, 31870, 33680, 50992, 53888, 63740, 67360, 101984, 127480, 134720, 203968, 254960, 269440, 407936, 509920, 1019840, 1341727, 2039680, 2683454, 5366908, 6708635, 10733816, 13417270, 21467632, 26834540, 42935264, 53669080, 85870528, 107338160, 171741056, 214676320, 429352640, 858705280]

約数ペア:

[(1, 858705280), (2, 429352640), (4, 214676320), (5, 171741056), (8, 107338160), (10, 85870528), (16, 53669080), (20, 42935264), (32, 26834540), (40, 21467632), (64, 13417270), (80, 10733816), (128, 6708635), (160, 5366908), (320, 2683454), (421, 2039680), (640, 1341727), (842, 1019840), (1684, 509920), (2105, 407936), (3187, 269440), (3368, 254960), (4210, 203968), (6374, 134720), (6736, 127480), (8420, 101984), (12748, 67360), (13472, 63740), (15935, 53888), (16840, 50992), (25496, 33680), (26944, 31870)]