51986760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{311}}^1$

素因数の和:531

約数の個数: 128

約数和(自身を含む): 179712000

約数和(自身を除く): 127725240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 199, 210, 280, 311, 398, 420, 597, 622, 796, 840, 933, 995, 1194, 1244, 1393, 1555, 1592, 1866, 1990, 2177, 2388, 2488, 2786, 2985, 3110, 3732, 3980, 4179, 4354, 4665, 4776, 5572, 5970, 6220, 6531, 6965, 7464, 7960, 8358, 8708, 9330, 10885, 11144, 11940, 12440, 13062, 13930, 16716, 17416, 18660, 20895, 21770, 23880, 26124, 27860, 32655, 33432, 37320, 41790, 43540, 52248, 55720, 61889, 65310, 83580, 87080, 123778, 130620, 167160, 185667, 247556, 261240, 309445, 371334, 433223, 495112, 618890, 742668, 866446, 928335, 1237780, 1299669, 1485336, 1732892, 1856670, 2166115, 2475560, 2599338, 3465784, 3713340, 4332230, 5198676, 6498345, 7426680, 8664460, 10397352, 12996690, 17328920, 25993380, 51986760]

約数ペア:

[(1, 51986760), (2, 25993380), (3, 17328920), (4, 12996690), (5, 10397352), (6, 8664460), (7, 7426680), (8, 6498345), (10, 5198676), (12, 4332230), (14, 3713340), (15, 3465784), (20, 2599338), (21, 2475560), (24, 2166115), (28, 1856670), (30, 1732892), (35, 1485336), (40, 1299669), (42, 1237780), (56, 928335), (60, 866446), (70, 742668), (84, 618890), (105, 495112), (120, 433223), (140, 371334), (168, 309445), (199, 261240), (210, 247556), (280, 185667), (311, 167160), (398, 130620), (420, 123778), (597, 87080), (622, 83580), (796, 65310), (840, 61889), (933, 55720), (995, 52248), (1194, 43540), (1244, 41790), (1393, 37320), (1555, 33432), (1592, 32655), (1866, 27860), (1990, 26124), (2177, 23880), (2388, 21770), (2488, 20895), (2786, 18660), (2985, 17416), (3110, 16716), (3732, 13930), (3980, 13062), (4179, 12440), (4354, 11940), (4665, 11144), (4776, 10885), (5572, 9330), (5970, 8708), (6220, 8358), (6531, 7960), (6965, 7464)]