212913960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{253469}}^1$

素因数の和:253490

約数の個数: 64

約数和(自身を含む): 729993600

約数和(自身を除く): 517079640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 253469, 506938, 760407, 1013876, 1267345, 1520814, 1774283, 2027752, 2534690, 3041628, 3548566, 3802035, 5069380, 5322849, 6083256, 7097132, 7604070, 8871415, 10138760, 10645698, 14194264, 15208140, 17742830, 21291396, 26614245, 30416280, 35485660, 42582792, 53228490, 70971320, 106456980, 212913960]

約数ペア:

[(1, 212913960), (2, 106456980), (3, 70971320), (4, 53228490), (5, 42582792), (6, 35485660), (7, 30416280), (8, 26614245), (10, 21291396), (12, 17742830), (14, 15208140), (15, 14194264), (20, 10645698), (21, 10138760), (24, 8871415), (28, 7604070), (30, 7097132), (35, 6083256), (40, 5322849), (42, 5069380), (56, 3802035), (60, 3548566), (70, 3041628), (84, 2534690), (105, 2027752), (120, 1774283), (140, 1520814), (168, 1267345), (210, 1013876), (280, 760407), (420, 506938), (840, 253469)]