71457680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{18229}}^1$

素因数の和:18256

約数の個数: 60

約数和(自身を含む): 193274460

約数和(自身を除く): 121816780

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 18229, 36458, 72916, 91145, 127603, 145832, 182290, 255206, 291664, 364580, 510412, 638015, 729160, 893221, 1020824, 1276030, 1458320, 1786442, 2041648, 2552060, 3572884, 4466105, 5104120, 7145768, 8932210, 10208240, 14291536, 17864420, 35728840, 71457680]

約数ペア:

[(1, 71457680), (2, 35728840), (4, 17864420), (5, 14291536), (7, 10208240), (8, 8932210), (10, 7145768), (14, 5104120), (16, 4466105), (20, 3572884), (28, 2552060), (35, 2041648), (40, 1786442), (49, 1458320), (56, 1276030), (70, 1020824), (80, 893221), (98, 729160), (112, 638015), (140, 510412), (196, 364580), (245, 291664), (280, 255206), (392, 182290), (490, 145832), (560, 127603), (784, 91145), (980, 72916), (1960, 36458), (3920, 18229)]