81432260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{443}}^1$

素因数の和:573

約数の個数: 96

約数和(自身を含む): 213034752

約数和(自身を除く): 131602492

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 101, 130, 140, 182, 202, 260, 364, 404, 443, 455, 505, 707, 886, 910, 1010, 1313, 1414, 1772, 1820, 2020, 2215, 2626, 2828, 3101, 3535, 4430, 5252, 5759, 6202, 6565, 7070, 8860, 9191, 11518, 12404, 13130, 14140, 15505, 18382, 23036, 26260, 28795, 31010, 36764, 40313, 44743, 45955, 57590, 62020, 80626, 89486, 91910, 115180, 161252, 178972, 183820, 201565, 223715, 313201, 403130, 447430, 581659, 626402, 806260, 894860, 1163318, 1252804, 1566005, 2326636, 2908295, 3132010, 4071613, 5816590, 6264020, 8143226, 11633180, 16286452, 20358065, 40716130, 81432260]

約数ペア:

[(1, 81432260), (2, 40716130), (4, 20358065), (5, 16286452), (7, 11633180), (10, 8143226), (13, 6264020), (14, 5816590), (20, 4071613), (26, 3132010), (28, 2908295), (35, 2326636), (52, 1566005), (65, 1252804), (70, 1163318), (91, 894860), (101, 806260), (130, 626402), (140, 581659), (182, 447430), (202, 403130), (260, 313201), (364, 223715), (404, 201565), (443, 183820), (455, 178972), (505, 161252), (707, 115180), (886, 91910), (910, 89486), (1010, 80626), (1313, 62020), (1414, 57590), (1772, 45955), (1820, 44743), (2020, 40313), (2215, 36764), (2626, 31010), (2828, 28795), (3101, 26260), (3535, 23036), (4430, 18382), (5252, 15505), (5759, 14140), (6202, 13130), (6565, 12404), (7070, 11518), (8860, 9191)]