15561700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:122

約数の個数: 144

約数和(自身を含む): 43997184

約数和(自身を除く): 28435484

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 43, 44, 47, 50, 55, 70, 77, 86, 94, 100, 110, 140, 154, 172, 175, 188, 215, 220, 235, 275, 301, 308, 329, 350, 385, 430, 470, 473, 517, 550, 602, 658, 700, 770, 860, 940, 946, 1034, 1075, 1100, 1175, 1204, 1316, 1505, 1540, 1645, 1892, 1925, 2021, 2068, 2150, 2350, 2365, 2585, 3010, 3290, 3311, 3619, 3850, 4042, 4300, 4700, 4730, 5170, 6020, 6580, 6622, 7238, 7525, 7700, 8084, 8225, 9460, 10105, 10340, 11825, 12925, 13244, 14147, 14476, 15050, 16450, 16555, 18095, 20210, 22231, 23650, 25850, 28294, 30100, 32900, 33110, 36190, 40420, 44462, 47300, 50525, 51700, 56588, 66220, 70735, 72380, 82775, 88924, 90475, 101050, 111155, 141470, 155617, 165550, 180950, 202100, 222310, 282940, 311234, 331100, 353675, 361900, 444620, 555775, 622468, 707350, 778085, 1111550, 1414700, 1556170, 2223100, 3112340, 3890425, 7780850, 15561700]

約数ペア:

[(1, 15561700), (2, 7780850), (4, 3890425), (5, 3112340), (7, 2223100), (10, 1556170), (11, 1414700), (14, 1111550), (20, 778085), (22, 707350), (25, 622468), (28, 555775), (35, 444620), (43, 361900), (44, 353675), (47, 331100), (50, 311234), (55, 282940), (70, 222310), (77, 202100), (86, 180950), (94, 165550), (100, 155617), (110, 141470), (140, 111155), (154, 101050), (172, 90475), (175, 88924), (188, 82775), (215, 72380), (220, 70735), (235, 66220), (275, 56588), (301, 51700), (308, 50525), (329, 47300), (350, 44462), (385, 40420), (430, 36190), (470, 33110), (473, 32900), (517, 30100), (550, 28294), (602, 25850), (658, 23650), (700, 22231), (770, 20210), (860, 18095), (940, 16555), (946, 16450), (1034, 15050), (1075, 14476), (1100, 14147), (1175, 13244), (1204, 12925), (1316, 11825), (1505, 10340), (1540, 10105), (1645, 9460), (1892, 8225), (1925, 8084), (2021, 7700), (2068, 7525), (2150, 7238), (2350, 6622), (2365, 6580), (2585, 6020), (3010, 5170), (3290, 4730), (3311, 4700), (3619, 4300), (3850, 4042)]