81692240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{145879}}^1$

素因数の和:145899

約数の個数: 40

約数和(自身を含む): 217069440

約数和(自身を除く): 135377200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 145879, 291758, 583516, 729395, 1021153, 1167032, 1458790, 2042306, 2334064, 2917580, 4084612, 5105765, 5835160, 8169224, 10211530, 11670320, 16338448, 20423060, 40846120, 81692240]

約数ペア:

[(1, 81692240), (2, 40846120), (4, 20423060), (5, 16338448), (7, 11670320), (8, 10211530), (10, 8169224), (14, 5835160), (16, 5105765), (20, 4084612), (28, 2917580), (35, 2334064), (40, 2042306), (56, 1458790), (70, 1167032), (80, 1021153), (112, 729395), (140, 583516), (280, 291758), (560, 145879)]