15780821708

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{241}}^1\times {\mathrm{379}}^1\times {\mathrm{919}}^1$

素因数の和:1590

約数の個数: 48

約数和(自身を含む): 28426675200

約数和(自身を除く): 12645853492

約数列:

[1, 2, 4, 47, 94, 188, 241, 379, 482, 758, 919, 964, 1516, 1838, 3676, 11327, 17813, 22654, 35626, 43193, 45308, 71252, 86386, 91339, 172772, 182678, 221479, 348301, 365356, 442958, 696602, 885916, 1393204, 4292933, 8585866, 10409513, 16370147, 17171732, 20819026, 32740294, 41638052, 65480588, 83940541, 167881082, 335762164, 3945205427, 7890410854, 15780821708]

約数ペア:

[(1, 15780821708), (2, 7890410854), (4, 3945205427), (47, 335762164), (94, 167881082), (188, 83940541), (241, 65480588), (379, 41638052), (482, 32740294), (758, 20819026), (919, 17171732), (964, 16370147), (1516, 10409513), (1838, 8585866), (3676, 4292933), (11327, 1393204), (17813, 885916), (22654, 696602), (35626, 442958), (43193, 365356), (45308, 348301), (71252, 221479), (86386, 182678), (91339, 172772)]