81197520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{338323}}^1$

素因数の和:338339

約数の個数: 40

約数和(自身を含む): 251713056

約数和(自身を除く): 170515536

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 338323, 676646, 1014969, 1353292, 1691615, 2029938, 2706584, 3383230, 4059876, 5074845, 5413168, 6766460, 8119752, 10149690, 13532920, 16239504, 20299380, 27065840, 40598760, 81197520]

約数ペア:

[(1, 81197520), (2, 40598760), (3, 27065840), (4, 20299380), (5, 16239504), (6, 13532920), (8, 10149690), (10, 8119752), (12, 6766460), (15, 5413168), (16, 5074845), (20, 4059876), (24, 3383230), (30, 2706584), (40, 2029938), (48, 1691615), (60, 1353292), (80, 1014969), (120, 676646), (240, 338323)]