15442760

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6329}}^1$

素因数の和:6401

約数の個数: 32

約数和(自身を含む): 35321400

約数和(自身を除く): 19878640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 6329, 12658, 25316, 31645, 50632, 63290, 126580, 253160, 386069, 772138, 1544276, 1930345, 3088552, 3860690, 7721380, 15442760]

約数ペア:

[(1, 15442760), (2, 7721380), (4, 3860690), (5, 3088552), (8, 1930345), (10, 1544276), (20, 772138), (40, 386069), (61, 253160), (122, 126580), (244, 63290), (305, 50632), (488, 31645), (610, 25316), (1220, 12658), (2440, 6329)]