156622720

素因数分解:

$2^7\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2423}}^1$

素因数の和:2543

約数の個数: 64

約数和(自身を含む): 378289440

約数和(自身を除く): 221666720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 160, 202, 320, 404, 505, 640, 808, 1010, 1616, 2020, 2423, 3232, 4040, 4846, 6464, 8080, 9692, 12115, 12928, 16160, 19384, 24230, 32320, 38768, 48460, 64640, 77536, 96920, 155072, 193840, 244723, 310144, 387680, 489446, 775360, 978892, 1223615, 1550720, 1957784, 2447230, 3915568, 4894460, 7831136, 9788920, 15662272, 19577840, 31324544, 39155680, 78311360, 156622720]

約数ペア:

[(1, 156622720), (2, 78311360), (4, 39155680), (5, 31324544), (8, 19577840), (10, 15662272), (16, 9788920), (20, 7831136), (32, 4894460), (40, 3915568), (64, 2447230), (80, 1957784), (101, 1550720), (128, 1223615), (160, 978892), (202, 775360), (320, 489446), (404, 387680), (505, 310144), (640, 244723), (808, 193840), (1010, 155072), (1616, 96920), (2020, 77536), (2423, 64640), (3232, 48460), (4040, 38768), (4846, 32320), (6464, 24230), (8080, 19384), (9692, 16160), (12115, 12928)]