81032580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{547}}^1\times {\mathrm{823}}^1$

素因数の和:1385

約数の個数: 72

約数和(自身を含む): 246547392

約数和(自身を除く): 165514812

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 547, 823, 1094, 1641, 1646, 2188, 2469, 2735, 3282, 3292, 4115, 4923, 4938, 5470, 6564, 7407, 8205, 8230, 9846, 9876, 10940, 12345, 14814, 16410, 16460, 19692, 24615, 24690, 29628, 32820, 37035, 49230, 49380, 74070, 98460, 148140, 450181, 900362, 1350543, 1800724, 2250905, 2701086, 4051629, 4501810, 5402172, 6752715, 8103258, 9003620, 13505430, 16206516, 20258145, 27010860, 40516290, 81032580]

約数ペア:

[(1, 81032580), (2, 40516290), (3, 27010860), (4, 20258145), (5, 16206516), (6, 13505430), (9, 9003620), (10, 8103258), (12, 6752715), (15, 5402172), (18, 4501810), (20, 4051629), (30, 2701086), (36, 2250905), (45, 1800724), (60, 1350543), (90, 900362), (180, 450181), (547, 148140), (823, 98460), (1094, 74070), (1641, 49380), (1646, 49230), (2188, 37035), (2469, 32820), (2735, 29628), (3282, 24690), (3292, 24615), (4115, 19692), (4923, 16460), (4938, 16410), (5470, 14814), (6564, 12345), (7407, 10940), (8205, 9876), (8230, 9846)]