82790820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{65707}}^1$

素因数の和:65729

約数の個数: 72

約数和(自身を含む): 287012544

約数和(自身を除く): 204221724

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 65707, 131414, 197121, 262828, 328535, 394242, 459949, 591363, 657070, 788484, 919898, 985605, 1182726, 1314140, 1379847, 1839796, 1971210, 2299745, 2365452, 2759694, 2956815, 3942420, 4139541, 4599490, 5519388, 5913630, 6899235, 8279082, 9198980, 11827260, 13798470, 16558164, 20697705, 27596940, 41395410, 82790820]

約数ペア:

[(1, 82790820), (2, 41395410), (3, 27596940), (4, 20697705), (5, 16558164), (6, 13798470), (7, 11827260), (9, 9198980), (10, 8279082), (12, 6899235), (14, 5913630), (15, 5519388), (18, 4599490), (20, 4139541), (21, 3942420), (28, 2956815), (30, 2759694), (35, 2365452), (36, 2299745), (42, 1971210), (45, 1839796), (60, 1379847), (63, 1314140), (70, 1182726), (84, 985605), (90, 919898), (105, 788484), (126, 657070), (140, 591363), (180, 459949), (210, 394242), (252, 328535), (315, 262828), (420, 197121), (630, 131414), (1260, 65707)]