19812600

素因数分解:

$2^3\times 3^4\times 5^2\times {\mathrm{1223}}^1$

素因数の和:1251

約数の個数: 120

約数和(自身を含む): 68868360

約数和(自身を除く): 49055760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 81, 90, 100, 108, 120, 135, 150, 162, 180, 200, 216, 225, 270, 300, 324, 360, 405, 450, 540, 600, 648, 675, 810, 900, 1080, 1223, 1350, 1620, 1800, 2025, 2446, 2700, 3240, 3669, 4050, 4892, 5400, 6115, 7338, 8100, 9784, 11007, 12230, 14676, 16200, 18345, 22014, 24460, 29352, 30575, 33021, 36690, 44028, 48920, 55035, 61150, 66042, 73380, 88056, 91725, 99063, 110070, 122300, 132084, 146760, 165105, 183450, 198126, 220140, 244600, 264168, 275175, 330210, 366900, 396252, 440280, 495315, 550350, 660420, 733800, 792504, 825525, 990630, 1100700, 1320840, 1651050, 1981260, 2201400, 2476575, 3302100, 3962520, 4953150, 6604200, 9906300, 19812600]

約数ペア:

[(1, 19812600), (2, 9906300), (3, 6604200), (4, 4953150), (5, 3962520), (6, 3302100), (8, 2476575), (9, 2201400), (10, 1981260), (12, 1651050), (15, 1320840), (18, 1100700), (20, 990630), (24, 825525), (25, 792504), (27, 733800), (30, 660420), (36, 550350), (40, 495315), (45, 440280), (50, 396252), (54, 366900), (60, 330210), (72, 275175), (75, 264168), (81, 244600), (90, 220140), (100, 198126), (108, 183450), (120, 165105), (135, 146760), (150, 132084), (162, 122300), (180, 110070), (200, 99063), (216, 91725), (225, 88056), (270, 73380), (300, 66042), (324, 61150), (360, 55035), (405, 48920), (450, 44028), (540, 36690), (600, 33021), (648, 30575), (675, 29352), (810, 24460), (900, 22014), (1080, 18345), (1223, 16200), (1350, 14676), (1620, 12230), (1800, 11007), (2025, 9784), (2446, 8100), (2700, 7338), (3240, 6115), (3669, 5400), (4050, 4892)]