127487680

素因数分解:

$2^6\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3137}}^1$

素因数の和:3281

約数の個数: 56

約数和(自身を含む): 306067968

約数和(自身を除く): 178580288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 160, 254, 320, 508, 635, 1016, 1270, 2032, 2540, 3137, 4064, 5080, 6274, 8128, 10160, 12548, 15685, 20320, 25096, 31370, 40640, 50192, 62740, 100384, 125480, 200768, 250960, 398399, 501920, 796798, 1003840, 1593596, 1991995, 3187192, 3983990, 6374384, 7967980, 12748768, 15935960, 25497536, 31871920, 63743840, 127487680]

約数ペア:

[(1, 127487680), (2, 63743840), (4, 31871920), (5, 25497536), (8, 15935960), (10, 12748768), (16, 7967980), (20, 6374384), (32, 3983990), (40, 3187192), (64, 1991995), (80, 1593596), (127, 1003840), (160, 796798), (254, 501920), (320, 398399), (508, 250960), (635, 200768), (1016, 125480), (1270, 100384), (2032, 62740), (2540, 50192), (3137, 40640), (4064, 31370), (5080, 25096), (6274, 20320), (8128, 15685), (10160, 12548)]