15552640

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1279}}^1$

素因数の和:1317

約数の個数: 64

約数和(自身を含む): 39168000

約数和(自身を除く): 23615360

約数列:

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

約数ペア:

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