74987715

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:300

約数の個数: 64

約数和(自身を含む): 137106432

約数和(自身を除く): 62118717

約数列:

[1, 3, 5, 11, 15, 33, 37, 55, 71, 111, 165, 173, 185, 213, 355, 407, 519, 555, 781, 865, 1065, 1221, 1903, 2035, 2343, 2595, 2627, 3905, 5709, 6105, 6401, 7881, 9515, 11715, 12283, 13135, 19203, 28545, 28897, 32005, 36849, 39405, 61415, 70411, 86691, 96015, 135113, 144485, 184245, 211233, 352055, 405339, 433455, 454471, 675565, 1056165, 1363413, 2026695, 2272355, 4999181, 6817065, 14997543, 24995905, 74987715]

約数ペア:

[(1, 74987715), (3, 24995905), (5, 14997543), (11, 6817065), (15, 4999181), (33, 2272355), (37, 2026695), (55, 1363413), (71, 1056165), (111, 675565), (165, 454471), (173, 433455), (185, 405339), (213, 352055), (355, 211233), (407, 184245), (519, 144485), (555, 135113), (781, 96015), (865, 86691), (1065, 70411), (1221, 61415), (1903, 39405), (2035, 36849), (2343, 32005), (2595, 28897), (2627, 28545), (3905, 19203), (5709, 13135), (6105, 12283), (6401, 11715), (7881, 9515)]