19666800

素因数分解:

$2^4\times 3^4\times 5^2\times {\mathrm{607}}^1$

素因数の和:637

約数の個数: 150

約数和(自身を含む): 70698848

約数和(自身を除く): 51032048

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 81, 90, 100, 108, 120, 135, 144, 150, 162, 180, 200, 216, 225, 240, 270, 300, 324, 360, 400, 405, 432, 450, 540, 600, 607, 648, 675, 720, 810, 900, 1080, 1200, 1214, 1296, 1350, 1620, 1800, 1821, 2025, 2160, 2428, 2700, 3035, 3240, 3600, 3642, 4050, 4856, 5400, 5463, 6070, 6480, 7284, 8100, 9105, 9712, 10800, 10926, 12140, 14568, 15175, 16200, 16389, 18210, 21852, 24280, 27315, 29136, 30350, 32400, 32778, 36420, 43704, 45525, 48560, 49167, 54630, 60700, 65556, 72840, 81945, 87408, 91050, 98334, 109260, 121400, 131112, 136575, 145680, 163890, 182100, 196668, 218520, 242800, 245835, 262224, 273150, 327780, 364200, 393336, 409725, 437040, 491670, 546300, 655560, 728400, 786672, 819450, 983340, 1092600, 1229175, 1311120, 1638900, 1966680, 2185200, 2458350, 3277800, 3933360, 4916700, 6555600, 9833400, 19666800]

約数ペア:

[(1, 19666800), (2, 9833400), (3, 6555600), (4, 4916700), (5, 3933360), (6, 3277800), (8, 2458350), (9, 2185200), (10, 1966680), (12, 1638900), (15, 1311120), (16, 1229175), (18, 1092600), (20, 983340), (24, 819450), (25, 786672), (27, 728400), (30, 655560), (36, 546300), (40, 491670), (45, 437040), (48, 409725), (50, 393336), (54, 364200), (60, 327780), (72, 273150), (75, 262224), (80, 245835), (81, 242800), (90, 218520), (100, 196668), (108, 182100), (120, 163890), (135, 145680), (144, 136575), (150, 131112), (162, 121400), (180, 109260), (200, 98334), (216, 91050), (225, 87408), (240, 81945), (270, 72840), (300, 65556), (324, 60700), (360, 54630), (400, 49167), (405, 48560), (432, 45525), (450, 43704), (540, 36420), (600, 32778), (607, 32400), (648, 30350), (675, 29136), (720, 27315), (810, 24280), (900, 21852), (1080, 18210), (1200, 16389), (1214, 16200), (1296, 15175), (1350, 14568), (1620, 12140), (1800, 10926), (1821, 10800), (2025, 9712), (2160, 9105), (2428, 8100), (2700, 7284), (3035, 6480), (3240, 6070), (3600, 5463), (3642, 5400), (4050, 4856)]