1262940

素因数分解:

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

素因数の和:147

約数の個数: 96

約数和(自身を含む): 4214784

約数和(自身を除く): 2951844

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 97, 105, 124, 140, 155, 186, 194, 210, 217, 291, 310, 372, 388, 420, 434, 465, 485, 582, 620, 651, 679, 868, 930, 970, 1085, 1164, 1302, 1358, 1455, 1860, 1940, 2037, 2170, 2604, 2716, 2910, 3007, 3255, 3395, 4074, 4340, 5820, 6014, 6510, 6790, 8148, 9021, 10185, 12028, 13020, 13580, 15035, 18042, 20370, 21049, 30070, 36084, 40740, 42098, 45105, 60140, 63147, 84196, 90210, 105245, 126294, 180420, 210490, 252588, 315735, 420980, 631470, 1262940]

約数ペア:

[(1, 1262940), (2, 631470), (3, 420980), (4, 315735), (5, 252588), (6, 210490), (7, 180420), (10, 126294), (12, 105245), (14, 90210), (15, 84196), (20, 63147), (21, 60140), (28, 45105), (30, 42098), (31, 40740), (35, 36084), (42, 30070), (60, 21049), (62, 20370), (70, 18042), (84, 15035), (93, 13580), (97, 13020), (105, 12028), (124, 10185), (140, 9021), (155, 8148), (186, 6790), (194, 6510), (210, 6014), (217, 5820), (291, 4340), (310, 4074), (372, 3395), (388, 3255), (420, 3007), (434, 2910), (465, 2716), (485, 2604), (582, 2170), (620, 2037), (651, 1940), (679, 1860), (868, 1455), (930, 1358), (970, 1302), (1085, 1164)]