81343440

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{12553}}^1$

素因数の和:12578

約数の個数: 100

約数和(自身を含む): 282540324

約数和(自身を除く): 201196884

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 12553, 25106, 37659, 50212, 62765, 75318, 100424, 112977, 125530, 150636, 188295, 200848, 225954, 251060, 301272, 338931, 376590, 451908, 502120, 564885, 602544, 677862, 753180, 903816, 1004240, 1016793, 1129770, 1355724, 1506360, 1694655, 1807632, 2033586, 2259540, 2711448, 3012720, 3389310, 4067172, 4519080, 5083965, 5422896, 6778620, 8134344, 9038160, 10167930, 13557240, 16268688, 20335860, 27114480, 40671720, 81343440]

約数ペア:

[(1, 81343440), (2, 40671720), (3, 27114480), (4, 20335860), (5, 16268688), (6, 13557240), (8, 10167930), (9, 9038160), (10, 8134344), (12, 6778620), (15, 5422896), (16, 5083965), (18, 4519080), (20, 4067172), (24, 3389310), (27, 3012720), (30, 2711448), (36, 2259540), (40, 2033586), (45, 1807632), (48, 1694655), (54, 1506360), (60, 1355724), (72, 1129770), (80, 1016793), (81, 1004240), (90, 903816), (108, 753180), (120, 677862), (135, 602544), (144, 564885), (162, 502120), (180, 451908), (216, 376590), (240, 338931), (270, 301272), (324, 251060), (360, 225954), (405, 200848), (432, 188295), (540, 150636), (648, 125530), (720, 112977), (810, 100424), (1080, 75318), (1296, 62765), (1620, 50212), (2160, 37659), (3240, 25106), (6480, 12553)]