15721530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:164

約数の個数: 96

約数和(自身を含む): 42747264

約数和(自身を除く): 27025734

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 61, 66, 71, 110, 121, 122, 142, 165, 183, 213, 242, 305, 330, 355, 363, 366, 426, 605, 610, 671, 710, 726, 781, 915, 1065, 1210, 1342, 1562, 1815, 1830, 2013, 2130, 2343, 3355, 3630, 3905, 4026, 4331, 4686, 6710, 7381, 7810, 8591, 8662, 10065, 11715, 12993, 14762, 17182, 20130, 21655, 22143, 23430, 25773, 25986, 36905, 42955, 43310, 44286, 47641, 51546, 64965, 73810, 85910, 95282, 110715, 128865, 129930, 142923, 221430, 238205, 257730, 285846, 476410, 524051, 714615, 1048102, 1429230, 1572153, 2620255, 3144306, 5240510, 7860765, 15721530]

約数ペア:

[(1, 15721530), (2, 7860765), (3, 5240510), (5, 3144306), (6, 2620255), (10, 1572153), (11, 1429230), (15, 1048102), (22, 714615), (30, 524051), (33, 476410), (55, 285846), (61, 257730), (66, 238205), (71, 221430), (110, 142923), (121, 129930), (122, 128865), (142, 110715), (165, 95282), (183, 85910), (213, 73810), (242, 64965), (305, 51546), (330, 47641), (355, 44286), (363, 43310), (366, 42955), (426, 36905), (605, 25986), (610, 25773), (671, 23430), (710, 22143), (726, 21655), (781, 20130), (915, 17182), (1065, 14762), (1210, 12993), (1342, 11715), (1562, 10065), (1815, 8662), (1830, 8591), (2013, 7810), (2130, 7381), (2343, 6710), (3355, 4686), (3630, 4331), (3905, 4026)]