80165520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{111341}}^1$

素因数の和:111360

約数の個数: 60

約数和(自身を含む): 269224956

約数和(自身を除く): 189059436

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 111341, 222682, 334023, 445364, 556705, 668046, 890728, 1002069, 1113410, 1336092, 1670115, 1781456, 2004138, 2226820, 2672184, 3340230, 4008276, 4453640, 5010345, 5344368, 6680460, 8016552, 8907280, 10020690, 13360920, 16033104, 20041380, 26721840, 40082760, 80165520]

約数ペア:

[(1, 80165520), (2, 40082760), (3, 26721840), (4, 20041380), (5, 16033104), (6, 13360920), (8, 10020690), (9, 8907280), (10, 8016552), (12, 6680460), (15, 5344368), (16, 5010345), (18, 4453640), (20, 4008276), (24, 3340230), (30, 2672184), (36, 2226820), (40, 2004138), (45, 1781456), (48, 1670115), (60, 1336092), (72, 1113410), (80, 1002069), (90, 890728), (120, 668046), (144, 556705), (180, 445364), (240, 334023), (360, 222682), (720, 111341)]