2506980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:193

約数の個数: 96

約数和(自身を含む): 8257536

約数和(自身を除く): 5750556

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 60, 70, 84, 94, 105, 127, 140, 141, 188, 210, 235, 254, 282, 329, 381, 420, 470, 508, 564, 635, 658, 705, 762, 889, 940, 987, 1270, 1316, 1410, 1524, 1645, 1778, 1905, 1974, 2540, 2667, 2820, 3290, 3556, 3810, 3948, 4445, 4935, 5334, 5969, 6580, 7620, 8890, 9870, 10668, 11938, 13335, 17780, 17907, 19740, 23876, 26670, 29845, 35814, 41783, 53340, 59690, 71628, 83566, 89535, 119380, 125349, 167132, 179070, 208915, 250698, 358140, 417830, 501396, 626745, 835660, 1253490, 2506980]

約数ペア:

[(1, 2506980), (2, 1253490), (3, 835660), (4, 626745), (5, 501396), (6, 417830), (7, 358140), (10, 250698), (12, 208915), (14, 179070), (15, 167132), (20, 125349), (21, 119380), (28, 89535), (30, 83566), (35, 71628), (42, 59690), (47, 53340), (60, 41783), (70, 35814), (84, 29845), (94, 26670), (105, 23876), (127, 19740), (140, 17907), (141, 17780), (188, 13335), (210, 11938), (235, 10668), (254, 9870), (282, 8890), (329, 7620), (381, 6580), (420, 5969), (470, 5334), (508, 4935), (564, 4445), (635, 3948), (658, 3810), (705, 3556), (762, 3290), (889, 2820), (940, 2667), (987, 2540), (1270, 1974), (1316, 1905), (1410, 1778), (1524, 1645)]