1246980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{2969}}^1$

素因数の和:2988

約数の個数: 48

約数和(自身を含む): 3991680

約数和(自身を除く): 2744700

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, 2969, 5938, 8907, 11876, 14845, 17814, 20783, 29690, 35628, 41566, 44535, 59380, 62349, 83132, 89070, 103915, 124698, 178140, 207830, 249396, 311745, 415660, 623490, 1246980]

約数ペア:

[(1, 1246980), (2, 623490), (3, 415660), (4, 311745), (5, 249396), (6, 207830), (7, 178140), (10, 124698), (12, 103915), (14, 89070), (15, 83132), (20, 62349), (21, 59380), (28, 44535), (30, 41566), (35, 35628), (42, 29690), (60, 20783), (70, 17814), (84, 14845), (105, 11876), (140, 8907), (210, 5938), (420, 2969)]