156282640

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1$

素因数の和:488

約数の個数: 80

約数和(自身を含む): 375350976

約数和(自身を除く): 219068336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 181, 215, 251, 344, 362, 430, 502, 688, 724, 860, 905, 1004, 1255, 1448, 1720, 1810, 2008, 2510, 2896, 3440, 3620, 4016, 5020, 7240, 7783, 10040, 10793, 14480, 15566, 20080, 21586, 31132, 38915, 43172, 45431, 53965, 62264, 77830, 86344, 90862, 107930, 124528, 155660, 172688, 181724, 215860, 227155, 311320, 363448, 431720, 454310, 622640, 726896, 863440, 908620, 1817240, 1953533, 3634480, 3907066, 7814132, 9767665, 15628264, 19535330, 31256528, 39070660, 78141320, 156282640]

約数ペア:

[(1, 156282640), (2, 78141320), (4, 39070660), (5, 31256528), (8, 19535330), (10, 15628264), (16, 9767665), (20, 7814132), (40, 3907066), (43, 3634480), (80, 1953533), (86, 1817240), (172, 908620), (181, 863440), (215, 726896), (251, 622640), (344, 454310), (362, 431720), (430, 363448), (502, 311320), (688, 227155), (724, 215860), (860, 181724), (905, 172688), (1004, 155660), (1255, 124528), (1448, 107930), (1720, 90862), (1810, 86344), (2008, 77830), (2510, 62264), (2896, 53965), (3440, 45431), (3620, 43172), (4016, 38915), (5020, 31132), (7240, 21586), (7783, 20080), (10040, 15566), (10793, 14480)]