157228640

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22853}}^1$

素因数の和:22911

約数の個数: 48

約数和(自身を含む): 380107728

約数和(自身を除く): 222879088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 22853, 45706, 91412, 114265, 182824, 228530, 365648, 457060, 731296, 914120, 982679, 1828240, 1965358, 3656480, 3930716, 4913395, 7861432, 9826790, 15722864, 19653580, 31445728, 39307160, 78614320, 157228640]

約数ペア:

[(1, 157228640), (2, 78614320), (4, 39307160), (5, 31445728), (8, 19653580), (10, 15722864), (16, 9826790), (20, 7861432), (32, 4913395), (40, 3930716), (43, 3656480), (80, 1965358), (86, 1828240), (160, 982679), (172, 914120), (215, 731296), (344, 457060), (430, 365648), (688, 228530), (860, 182824), (1376, 114265), (1720, 91412), (3440, 45706), (6880, 22853)]