239769540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{2617}}^1$

素因数の和:3141

約数の個数: 72

約数和(自身を含む): 729008280

約数和(自身を除く): 489238740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 509, 1018, 1527, 2036, 2545, 2617, 3054, 4581, 5090, 5234, 6108, 7635, 7851, 9162, 10180, 10468, 13085, 15270, 15702, 18324, 22905, 23553, 26170, 30540, 31404, 39255, 45810, 47106, 52340, 78510, 91620, 94212, 117765, 157020, 235530, 471060, 1332053, 2664106, 3996159, 5328212, 6660265, 7992318, 11988477, 13320530, 15984636, 19980795, 23976954, 26641060, 39961590, 47953908, 59942385, 79923180, 119884770, 239769540]

約数ペア:

[(1, 239769540), (2, 119884770), (3, 79923180), (4, 59942385), (5, 47953908), (6, 39961590), (9, 26641060), (10, 23976954), (12, 19980795), (15, 15984636), (18, 13320530), (20, 11988477), (30, 7992318), (36, 6660265), (45, 5328212), (60, 3996159), (90, 2664106), (180, 1332053), (509, 471060), (1018, 235530), (1527, 157020), (2036, 117765), (2545, 94212), (2617, 91620), (3054, 78510), (4581, 52340), (5090, 47106), (5234, 45810), (6108, 39255), (7635, 31404), (7851, 30540), (9162, 26170), (10180, 23553), (10468, 22905), (13085, 18324), (15270, 15702)]