81113040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{112657}}^1$

素因数の和:112676

約数の個数: 60

約数和(自身を含む): 272407044

約数和(自身を除く): 191294004

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, 112657, 225314, 337971, 450628, 563285, 675942, 901256, 1013913, 1126570, 1351884, 1689855, 1802512, 2027826, 2253140, 2703768, 3379710, 4055652, 4506280, 5069565, 5407536, 6759420, 8111304, 9012560, 10139130, 13518840, 16222608, 20278260, 27037680, 40556520, 81113040]

約数ペア:

[(1, 81113040), (2, 40556520), (3, 27037680), (4, 20278260), (5, 16222608), (6, 13518840), (8, 10139130), (9, 9012560), (10, 8111304), (12, 6759420), (15, 5407536), (16, 5069565), (18, 4506280), (20, 4055652), (24, 3379710), (30, 2703768), (36, 2253140), (40, 2027826), (45, 1802512), (48, 1689855), (60, 1351884), (72, 1126570), (80, 1013913), (90, 901256), (120, 675942), (144, 563285), (180, 450628), (240, 337971), (360, 225314), (720, 112657)]