72278720

素因数分解:

$2^6\times 5^1\times {\mathrm{225871}}^1$

素因数の和:225888

約数の個数: 28

約数和(自身を含む): 172114464

約数和(自身を除く): 99835744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 225871, 451742, 903484, 1129355, 1806968, 2258710, 3613936, 4517420, 7227872, 9034840, 14455744, 18069680, 36139360, 72278720]

約数ペア:

[(1, 72278720), (2, 36139360), (4, 18069680), (5, 14455744), (8, 9034840), (10, 7227872), (16, 4517420), (20, 3613936), (32, 2258710), (40, 1806968), (64, 1129355), (80, 903484), (160, 451742), (320, 225871)]