12915720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11959}}^1$

素因数の和:11979

約数の個数: 64

約数和(自身を含む): 43056000

約数和(自身を除く): 30140280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 11959, 23918, 35877, 47836, 59795, 71754, 95672, 107631, 119590, 143508, 179385, 215262, 239180, 287016, 322893, 358770, 430524, 478360, 538155, 645786, 717540, 861048, 1076310, 1291572, 1435080, 1614465, 2152620, 2583144, 3228930, 4305240, 6457860, 12915720]

約数ペア:

[(1, 12915720), (2, 6457860), (3, 4305240), (4, 3228930), (5, 2583144), (6, 2152620), (8, 1614465), (9, 1435080), (10, 1291572), (12, 1076310), (15, 861048), (18, 717540), (20, 645786), (24, 538155), (27, 478360), (30, 430524), (36, 358770), (40, 322893), (45, 287016), (54, 239180), (60, 215262), (72, 179385), (90, 143508), (108, 119590), (120, 107631), (135, 95672), (180, 71754), (216, 59795), (270, 47836), (360, 35877), (540, 23918), (1080, 11959)]