15721038710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{80567}}^1$

素因数の和:80685

約数の個数: 64

約数和(自身を含む): 32485017600

約数和(自身を除く): 16763978890

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 79, 95, 130, 158, 190, 247, 395, 494, 790, 1027, 1235, 1501, 2054, 2470, 3002, 5135, 7505, 10270, 15010, 19513, 39026, 80567, 97565, 161134, 195130, 402835, 805670, 1047371, 1530773, 2094742, 3061546, 5236855, 6364793, 7653865, 10473710, 12729586, 15307730, 19900049, 31823965, 39800098, 63647930, 82742309, 99500245, 120931067, 165484618, 199000490, 241862134, 413711545, 604655335, 827423090, 1209310670, 1572103871, 3144207742, 7860519355, 15721038710]

約数ペア:

[(1, 15721038710), (2, 7860519355), (5, 3144207742), (10, 1572103871), (13, 1209310670), (19, 827423090), (26, 604655335), (38, 413711545), (65, 241862134), (79, 199000490), (95, 165484618), (130, 120931067), (158, 99500245), (190, 82742309), (247, 63647930), (395, 39800098), (494, 31823965), (790, 19900049), (1027, 15307730), (1235, 12729586), (1501, 10473710), (2054, 7653865), (2470, 6364793), (3002, 5236855), (5135, 3061546), (7505, 2094742), (10270, 1530773), (15010, 1047371), (19513, 805670), (39026, 402835), (80567, 195130), (97565, 161134)]