156117920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19913}}^1$

素因数の和:19942

約数の個数: 72

約数和(自身を含む): 429067044

約数和(自身を除く): 272949124

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 19913, 39826, 79652, 99565, 139391, 159304, 199130, 278782, 318608, 398260, 557564, 637216, 696955, 796520, 975737, 1115128, 1393910, 1593040, 1951474, 2230256, 2787820, 3186080, 3902948, 4460512, 4878685, 5575640, 7805896, 9757370, 11151280, 15611792, 19514740, 22302560, 31223584, 39029480, 78058960, 156117920]

約数ペア:

[(1, 156117920), (2, 78058960), (4, 39029480), (5, 31223584), (7, 22302560), (8, 19514740), (10, 15611792), (14, 11151280), (16, 9757370), (20, 7805896), (28, 5575640), (32, 4878685), (35, 4460512), (40, 3902948), (49, 3186080), (56, 2787820), (70, 2230256), (80, 1951474), (98, 1593040), (112, 1393910), (140, 1115128), (160, 975737), (196, 796520), (224, 696955), (245, 637216), (280, 557564), (392, 398260), (490, 318608), (560, 278782), (784, 199130), (980, 159304), (1120, 139391), (1568, 99565), (1960, 79652), (3920, 39826), (7840, 19913)]