15828890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:423

約数の個数: 64

約数和(自身を含む): 36211968

約数和(自身を除く): 20383078

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 61, 70, 77, 110, 122, 154, 305, 337, 385, 427, 610, 671, 674, 770, 854, 1342, 1685, 2135, 2359, 3355, 3370, 3707, 4270, 4697, 4718, 6710, 7414, 9394, 11795, 18535, 20557, 23485, 23590, 25949, 37070, 41114, 46970, 51898, 102785, 129745, 143899, 205570, 226127, 259490, 287798, 452254, 719495, 1130635, 1438990, 1582889, 2261270, 3165778, 7914445, 15828890]

約数ペア:

[(1, 15828890), (2, 7914445), (5, 3165778), (7, 2261270), (10, 1582889), (11, 1438990), (14, 1130635), (22, 719495), (35, 452254), (55, 287798), (61, 259490), (70, 226127), (77, 205570), (110, 143899), (122, 129745), (154, 102785), (305, 51898), (337, 46970), (385, 41114), (427, 37070), (610, 25949), (671, 23590), (674, 23485), (770, 20557), (854, 18535), (1342, 11795), (1685, 9394), (2135, 7414), (2359, 6710), (3355, 4718), (3370, 4697), (3707, 4270)]