31130240

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:529

約数の個数: 64

約数和(自身を含む): 75202560

約数和(自身を除く): 44072320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 320, 383, 508, 635, 640, 766, 1016, 1270, 1532, 1915, 2032, 2540, 3064, 3830, 4064, 5080, 6128, 7660, 8128, 10160, 12256, 15320, 16256, 20320, 24512, 30640, 40640, 48641, 49024, 61280, 81280, 97282, 122560, 194564, 243205, 245120, 389128, 486410, 778256, 972820, 1556512, 1945640, 3113024, 3891280, 6226048, 7782560, 15565120, 31130240]

約数ペア:

[(1, 31130240), (2, 15565120), (4, 7782560), (5, 6226048), (8, 3891280), (10, 3113024), (16, 1945640), (20, 1556512), (32, 972820), (40, 778256), (64, 486410), (80, 389128), (127, 245120), (128, 243205), (160, 194564), (254, 122560), (320, 97282), (383, 81280), (508, 61280), (635, 49024), (640, 48641), (766, 40640), (1016, 30640), (1270, 24512), (1532, 20320), (1915, 16256), (2032, 15320), (2540, 12256), (3064, 10160), (3830, 8128), (4064, 7660), (5080, 6128)]