257192640

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{89303}}^1$

素因数の和:89326

約数の個数: 84

約数和(自身を含む): 884645424

約数和(自身を除く): 627452784

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 89303, 178606, 267909, 357212, 446515, 535818, 714424, 803727, 893030, 1071636, 1339545, 1428848, 1607454, 1786060, 2143272, 2679090, 2857696, 3214908, 3572120, 4018635, 4286544, 5358180, 5715392, 6429816, 7144240, 8037270, 8573088, 10716360, 12859632, 14288480, 16074540, 17146176, 21432720, 25719264, 28576960, 32149080, 42865440, 51438528, 64298160, 85730880, 128596320, 257192640]

約数ペア:

[(1, 257192640), (2, 128596320), (3, 85730880), (4, 64298160), (5, 51438528), (6, 42865440), (8, 32149080), (9, 28576960), (10, 25719264), (12, 21432720), (15, 17146176), (16, 16074540), (18, 14288480), (20, 12859632), (24, 10716360), (30, 8573088), (32, 8037270), (36, 7144240), (40, 6429816), (45, 5715392), (48, 5358180), (60, 4286544), (64, 4018635), (72, 3572120), (80, 3214908), (90, 2857696), (96, 2679090), (120, 2143272), (144, 1786060), (160, 1607454), (180, 1428848), (192, 1339545), (240, 1071636), (288, 893030), (320, 803727), (360, 714424), (480, 535818), (576, 446515), (720, 357212), (960, 267909), (1440, 178606), (2880, 89303)]