131296140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{81047}}^1$

素因数の和:81068

約数の個数: 60

約数和(自身を含む): 411885936

約数和(自身を除く): 280589796

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 81047, 162094, 243141, 324188, 405235, 486282, 729423, 810470, 972564, 1215705, 1458846, 1620940, 2188269, 2431410, 2917692, 3647115, 4376538, 4862820, 6564807, 7294230, 8753076, 10941345, 13129614, 14588460, 21882690, 26259228, 32824035, 43765380, 65648070, 131296140]

約数ペア:

[(1, 131296140), (2, 65648070), (3, 43765380), (4, 32824035), (5, 26259228), (6, 21882690), (9, 14588460), (10, 13129614), (12, 10941345), (15, 8753076), (18, 7294230), (20, 6564807), (27, 4862820), (30, 4376538), (36, 3647115), (45, 2917692), (54, 2431410), (60, 2188269), (81, 1620940), (90, 1458846), (108, 1215705), (135, 972564), (162, 810470), (180, 729423), (270, 486282), (324, 405235), (405, 324188), (540, 243141), (810, 162094), (1620, 81047)]