81470130

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{387953}}^1$

素因数の和:387970

約数の個数: 32

約数和(自身を含む): 223461504

約数和(自身を除く): 141991374

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 387953, 775906, 1163859, 1939765, 2327718, 2715671, 3879530, 5431342, 5819295, 8147013, 11638590, 13578355, 16294026, 27156710, 40735065, 81470130]

約数ペア:

[(1, 81470130), (2, 40735065), (3, 27156710), (5, 16294026), (6, 13578355), (7, 11638590), (10, 8147013), (14, 5819295), (15, 5431342), (21, 3879530), (30, 2715671), (35, 2327718), (42, 1939765), (70, 1163859), (105, 775906), (210, 387953)]