72664480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{64879}}^1$

素因数の和:64901

約数の個数: 48

約数和(自身を含む): 196197120

約数和(自身を除く): 123532640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 64879, 129758, 259516, 324395, 454153, 519032, 648790, 908306, 1038064, 1297580, 1816612, 2076128, 2270765, 2595160, 3633224, 4541530, 5190320, 7266448, 9083060, 10380640, 14532896, 18166120, 36332240, 72664480]

約数ペア:

[(1, 72664480), (2, 36332240), (4, 18166120), (5, 14532896), (7, 10380640), (8, 9083060), (10, 7266448), (14, 5190320), (16, 4541530), (20, 3633224), (28, 2595160), (32, 2270765), (35, 2076128), (40, 1816612), (56, 1297580), (70, 1038064), (80, 908306), (112, 648790), (140, 519032), (160, 454153), (224, 324395), (280, 259516), (560, 129758), (1120, 64879)]