165714880

素因数分解:

$2^6\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4751}}^1$

素因数の和:4877

約数の個数: 56

約数和(自身を含む): 398312640

約数和(自身を除く): 232597760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 160, 218, 320, 436, 545, 872, 1090, 1744, 2180, 3488, 4360, 4751, 6976, 8720, 9502, 17440, 19004, 23755, 34880, 38008, 47510, 76016, 95020, 152032, 190040, 304064, 380080, 517859, 760160, 1035718, 1520320, 2071436, 2589295, 4142872, 5178590, 8285744, 10357180, 16571488, 20714360, 33142976, 41428720, 82857440, 165714880]

約数ペア:

[(1, 165714880), (2, 82857440), (4, 41428720), (5, 33142976), (8, 20714360), (10, 16571488), (16, 10357180), (20, 8285744), (32, 5178590), (40, 4142872), (64, 2589295), (80, 2071436), (109, 1520320), (160, 1035718), (218, 760160), (320, 517859), (436, 380080), (545, 304064), (872, 190040), (1090, 152032), (1744, 95020), (2180, 76016), (3488, 47510), (4360, 38008), (4751, 34880), (6976, 23755), (8720, 19004), (9502, 17440)]