81086580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{450481}}^1$

素因数の和:450496

約数の個数: 36

約数和(自身を含む): 245963172

約数和(自身を除く): 164876592

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 450481, 900962, 1351443, 1801924, 2252405, 2702886, 4054329, 4504810, 5405772, 6757215, 8108658, 9009620, 13514430, 16217316, 20271645, 27028860, 40543290, 81086580]

約数ペア:

[(1, 81086580), (2, 40543290), (3, 27028860), (4, 20271645), (5, 16217316), (6, 13514430), (9, 9009620), (10, 8108658), (12, 6757215), (15, 5405772), (18, 4504810), (20, 4054329), (30, 2702886), (36, 2252405), (45, 1801924), (60, 1351443), (90, 900962), (180, 450481)]