19715400

素因数分解:

$2^3\times 3^4\times 5^2\times {\mathrm{1217}}^1$

素因数の和:1245

約数の個数: 120

約数和(自身を含む): 68530770

約数和(自身を除く): 48815370

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, 1217, 1350, 1620, 1800, 2025, 2434, 2700, 3240, 3651, 4050, 4868, 5400, 6085, 7302, 8100, 9736, 10953, 12170, 14604, 16200, 18255, 21906, 24340, 29208, 30425, 32859, 36510, 43812, 48680, 54765, 60850, 65718, 73020, 87624, 91275, 98577, 109530, 121700, 131436, 146040, 164295, 182550, 197154, 219060, 243400, 262872, 273825, 328590, 365100, 394308, 438120, 492885, 547650, 657180, 730200, 788616, 821475, 985770, 1095300, 1314360, 1642950, 1971540, 2190600, 2464425, 3285900, 3943080, 4928850, 6571800, 9857700, 19715400]

約数ペア:

[(1, 19715400), (2, 9857700), (3, 6571800), (4, 4928850), (5, 3943080), (6, 3285900), (8, 2464425), (9, 2190600), (10, 1971540), (12, 1642950), (15, 1314360), (18, 1095300), (20, 985770), (24, 821475), (25, 788616), (27, 730200), (30, 657180), (36, 547650), (40, 492885), (45, 438120), (50, 394308), (54, 365100), (60, 328590), (72, 273825), (75, 262872), (81, 243400), (90, 219060), (100, 197154), (108, 182550), (120, 164295), (135, 146040), (150, 131436), (162, 121700), (180, 109530), (200, 98577), (216, 91275), (225, 87624), (270, 73020), (300, 65718), (324, 60850), (360, 54765), (405, 48680), (450, 43812), (540, 36510), (600, 32859), (648, 30425), (675, 29208), (810, 24340), (900, 21906), (1080, 18255), (1217, 16200), (1350, 14604), (1620, 12170), (1800, 10953), (2025, 9736), (2434, 8100), (2700, 7302), (3240, 6085), (3651, 5400), (4050, 4868)]