18004560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{1531}}^1$

素因数の和:1561

約数の個数: 120

約数和(自身を含む): 64969056

約数和(自身を除く): 46964496

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1531, 1680, 1960, 2352, 2940, 3062, 3920, 4593, 5880, 6124, 7655, 9186, 10717, 11760, 12248, 15310, 18372, 21434, 22965, 24496, 30620, 32151, 36744, 42868, 45930, 53585, 61240, 64302, 73488, 75019, 85736, 91860, 107170, 122480, 128604, 150038, 160755, 171472, 183720, 214340, 225057, 257208, 300076, 321510, 367440, 375095, 428680, 450114, 514416, 600152, 643020, 750190, 857360, 900228, 1125285, 1200304, 1286040, 1500380, 1800456, 2250570, 2572080, 3000760, 3600912, 4501140, 6001520, 9002280, 18004560]

約数ペア:

[(1, 18004560), (2, 9002280), (3, 6001520), (4, 4501140), (5, 3600912), (6, 3000760), (7, 2572080), (8, 2250570), (10, 1800456), (12, 1500380), (14, 1286040), (15, 1200304), (16, 1125285), (20, 900228), (21, 857360), (24, 750190), (28, 643020), (30, 600152), (35, 514416), (40, 450114), (42, 428680), (48, 375095), (49, 367440), (56, 321510), (60, 300076), (70, 257208), (80, 225057), (84, 214340), (98, 183720), (105, 171472), (112, 160755), (120, 150038), (140, 128604), (147, 122480), (168, 107170), (196, 91860), (210, 85736), (240, 75019), (245, 73488), (280, 64302), (294, 61240), (336, 53585), (392, 45930), (420, 42868), (490, 36744), (560, 32151), (588, 30620), (735, 24496), (784, 22965), (840, 21434), (980, 18372), (1176, 15310), (1470, 12248), (1531, 11760), (1680, 10717), (1960, 9186), (2352, 7655), (2940, 6124), (3062, 5880), (3920, 4593)]