80315340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{191227}}^1$

素因数の和:191246

約数の個数: 48

約数和(自身を含む): 257010432

約数和(自身を除く): 176695092

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 191227, 382454, 573681, 764908, 956135, 1147362, 1338589, 1912270, 2294724, 2677178, 2868405, 3824540, 4015767, 5354356, 5736810, 6692945, 8031534, 11473620, 13385890, 16063068, 20078835, 26771780, 40157670, 80315340]

約数ペア:

[(1, 80315340), (2, 40157670), (3, 26771780), (4, 20078835), (5, 16063068), (6, 13385890), (7, 11473620), (10, 8031534), (12, 6692945), (14, 5736810), (15, 5354356), (20, 4015767), (21, 3824540), (28, 2868405), (30, 2677178), (35, 2294724), (42, 1912270), (60, 1338589), (70, 1147362), (84, 956135), (105, 764908), (140, 573681), (210, 382454), (420, 191227)]