18681120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{12973}}^1$

素因数の和:12994

約数の個数: 72

約数和(自身を含む): 63754236

約数和(自身を除く): 45073116

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 12973, 25946, 38919, 51892, 64865, 77838, 103784, 116757, 129730, 155676, 194595, 207568, 233514, 259460, 311352, 389190, 415136, 467028, 518920, 583785, 622704, 778380, 934056, 1037840, 1167570, 1245408, 1556760, 1868112, 2075680, 2335140, 3113520, 3736224, 4670280, 6227040, 9340560, 18681120]

約数ペア:

[(1, 18681120), (2, 9340560), (3, 6227040), (4, 4670280), (5, 3736224), (6, 3113520), (8, 2335140), (9, 2075680), (10, 1868112), (12, 1556760), (15, 1245408), (16, 1167570), (18, 1037840), (20, 934056), (24, 778380), (30, 622704), (32, 583785), (36, 518920), (40, 467028), (45, 415136), (48, 389190), (60, 311352), (72, 259460), (80, 233514), (90, 207568), (96, 194595), (120, 155676), (144, 129730), (160, 116757), (180, 103784), (240, 77838), (288, 64865), (360, 51892), (480, 38919), (720, 25946), (1440, 12973)]