156153280

素因数分解:

$2^6\times 5^1\times {\mathrm{487979}}^1$

素因数の和:487996

約数の個数: 28

約数和(自身を含む): 371840760

約数和(自身を除く): 215687480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 487979, 975958, 1951916, 2439895, 3903832, 4879790, 7807664, 9759580, 15615328, 19519160, 31230656, 39038320, 78076640, 156153280]

約数ペア:

[(1, 156153280), (2, 78076640), (4, 39038320), (5, 31230656), (8, 19519160), (10, 15615328), (16, 9759580), (20, 7807664), (32, 4879790), (40, 3903832), (64, 2439895), (80, 1951916), (160, 975958), (320, 487979)]