2525880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:149

約数の個数: 128

約数和(自身を含む): 9031680

約数和(自身を除く): 6505800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 97, 105, 120, 124, 140, 155, 168, 186, 194, 210, 217, 248, 280, 291, 310, 372, 388, 420, 434, 465, 485, 582, 620, 651, 679, 744, 776, 840, 868, 930, 970, 1085, 1164, 1240, 1302, 1358, 1455, 1736, 1860, 1940, 2037, 2170, 2328, 2604, 2716, 2910, 3007, 3255, 3395, 3720, 3880, 4074, 4340, 5208, 5432, 5820, 6014, 6510, 6790, 8148, 8680, 9021, 10185, 11640, 12028, 13020, 13580, 15035, 16296, 18042, 20370, 21049, 24056, 26040, 27160, 30070, 36084, 40740, 42098, 45105, 60140, 63147, 72168, 81480, 84196, 90210, 105245, 120280, 126294, 168392, 180420, 210490, 252588, 315735, 360840, 420980, 505176, 631470, 841960, 1262940, 2525880]

約数ペア:

[(1, 2525880), (2, 1262940), (3, 841960), (4, 631470), (5, 505176), (6, 420980), (7, 360840), (8, 315735), (10, 252588), (12, 210490), (14, 180420), (15, 168392), (20, 126294), (21, 120280), (24, 105245), (28, 90210), (30, 84196), (31, 81480), (35, 72168), (40, 63147), (42, 60140), (56, 45105), (60, 42098), (62, 40740), (70, 36084), (84, 30070), (93, 27160), (97, 26040), (105, 24056), (120, 21049), (124, 20370), (140, 18042), (155, 16296), (168, 15035), (186, 13580), (194, 13020), (210, 12028), (217, 11640), (248, 10185), (280, 9021), (291, 8680), (310, 8148), (372, 6790), (388, 6510), (420, 6014), (434, 5820), (465, 5432), (485, 5208), (582, 4340), (620, 4074), (651, 3880), (679, 3720), (744, 3395), (776, 3255), (840, 3007), (868, 2910), (930, 2716), (970, 2604), (1085, 2328), (1164, 2170), (1240, 2037), (1302, 1940), (1358, 1860), (1455, 1736)]