178420480

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{19913}}^1$

素因数の和:19941

約数の個数: 72

約数和(自身を含む): 488450592

約数和(自身を除く): 310030112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 19913, 39826, 79652, 99565, 139391, 159304, 199130, 278782, 318608, 398260, 557564, 637216, 696955, 796520, 1115128, 1274432, 1393910, 1593040, 2230256, 2548864, 2787820, 3186080, 4460512, 5097728, 5575640, 6372160, 8921024, 11151280, 12744320, 17842048, 22302560, 25488640, 35684096, 44605120, 89210240, 178420480]

約数ペア:

[(1, 178420480), (2, 89210240), (4, 44605120), (5, 35684096), (7, 25488640), (8, 22302560), (10, 17842048), (14, 12744320), (16, 11151280), (20, 8921024), (28, 6372160), (32, 5575640), (35, 5097728), (40, 4460512), (56, 3186080), (64, 2787820), (70, 2548864), (80, 2230256), (112, 1593040), (128, 1393910), (140, 1274432), (160, 1115128), (224, 796520), (256, 696955), (280, 637216), (320, 557564), (448, 398260), (560, 318608), (640, 278782), (896, 199130), (1120, 159304), (1280, 139391), (1792, 99565), (2240, 79652), (4480, 39826), (8960, 19913)]