1320247775

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{36097}}^1$

素因数の和:36144

約数の個数: 48

約数和(自身を含む): 2148552960

約数和(自身を除く): 828305185

約数列:

[1, 5, 7, 11, 19, 25, 35, 55, 77, 95, 133, 175, 209, 275, 385, 475, 665, 1045, 1463, 1925, 3325, 5225, 7315, 36097, 36575, 180485, 252679, 397067, 685843, 902425, 1263395, 1985335, 2779469, 3429215, 4800901, 6316975, 7544273, 9926675, 13897345, 17146075, 24004505, 37721365, 52809911, 69486725, 120022525, 188606825, 264049555, 1320247775]

約数ペア:

[(1, 1320247775), (5, 264049555), (7, 188606825), (11, 120022525), (19, 69486725), (25, 52809911), (35, 37721365), (55, 24004505), (77, 17146075), (95, 13897345), (133, 9926675), (175, 7544273), (209, 6316975), (275, 4800901), (385, 3429215), (475, 2779469), (665, 1985335), (1045, 1263395), (1463, 902425), (1925, 685843), (3325, 397067), (5225, 252679), (7315, 180485), (36097, 36575)]