31105280

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1279}}^1$

素因数の和:1319

約数の個数: 72

約数和(自身を含む): 78489600

約数和(自身を除く): 47384320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1279, 1280, 1520, 2432, 2558, 3040, 4864, 5116, 6080, 6395, 10232, 12160, 12790, 20464, 24301, 24320, 25580, 40928, 48602, 51160, 81856, 97204, 102320, 121505, 163712, 194408, 204640, 243010, 327424, 388816, 409280, 486020, 777632, 818560, 972040, 1555264, 1637120, 1944080, 3110528, 3888160, 6221056, 7776320, 15552640, 31105280]

約数ペア:

[(1, 31105280), (2, 15552640), (4, 7776320), (5, 6221056), (8, 3888160), (10, 3110528), (16, 1944080), (19, 1637120), (20, 1555264), (32, 972040), (38, 818560), (40, 777632), (64, 486020), (76, 409280), (80, 388816), (95, 327424), (128, 243010), (152, 204640), (160, 194408), (190, 163712), (256, 121505), (304, 102320), (320, 97204), (380, 81856), (608, 51160), (640, 48602), (760, 40928), (1216, 25580), (1279, 24320), (1280, 24301), (1520, 20464), (2432, 12790), (2558, 12160), (3040, 10232), (4864, 6395), (5116, 6080)]