81406800

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{22613}}^1$

素因数の和:22637

約数の個数: 90

約数和(自身を含む): 282516702

約数和(自身を除く): 201109902

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 144, 150, 180, 200, 225, 240, 300, 360, 400, 450, 600, 720, 900, 1200, 1800, 3600, 22613, 45226, 67839, 90452, 113065, 135678, 180904, 203517, 226130, 271356, 339195, 361808, 407034, 452260, 542712, 565325, 678390, 814068, 904520, 1017585, 1085424, 1130650, 1356780, 1628136, 1695975, 1809040, 2035170, 2261300, 2713560, 3256272, 3391950, 4070340, 4522600, 5087925, 5427120, 6783900, 8140680, 9045200, 10175850, 13567800, 16281360, 20351700, 27135600, 40703400, 81406800]

約数ペア:

[(1, 81406800), (2, 40703400), (3, 27135600), (4, 20351700), (5, 16281360), (6, 13567800), (8, 10175850), (9, 9045200), (10, 8140680), (12, 6783900), (15, 5427120), (16, 5087925), (18, 4522600), (20, 4070340), (24, 3391950), (25, 3256272), (30, 2713560), (36, 2261300), (40, 2035170), (45, 1809040), (48, 1695975), (50, 1628136), (60, 1356780), (72, 1130650), (75, 1085424), (80, 1017585), (90, 904520), (100, 814068), (120, 678390), (144, 565325), (150, 542712), (180, 452260), (200, 407034), (225, 361808), (240, 339195), (300, 271356), (360, 226130), (400, 203517), (450, 180904), (600, 135678), (720, 113065), (900, 90452), (1200, 67839), (1800, 45226), (3600, 22613)]