68271455

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 100465920

約数和(自身を除く): 32194465

約数列:

[1, 5, 7, 31, 35, 49, 89, 101, 155, 217, 245, 445, 505, 623, 707, 1085, 1519, 2759, 3115, 3131, 3535, 4361, 4949, 7595, 8989, 13795, 15655, 19313, 21805, 21917, 24745, 44945, 62923, 96565, 109585, 135191, 153419, 278659, 314615, 440461, 675955, 767095, 1393295, 1950613, 2202305, 9753065, 13654291, 68271455]

約数ペア:

[(1, 68271455), (5, 13654291), (7, 9753065), (31, 2202305), (35, 1950613), (49, 1393295), (89, 767095), (101, 675955), (155, 440461), (217, 314615), (245, 278659), (445, 153419), (505, 135191), (623, 109585), (707, 96565), (1085, 62923), (1519, 44945), (2759, 24745), (3115, 21917), (3131, 21805), (3535, 19313), (4361, 15655), (4949, 13795), (7595, 8989)]