1245165720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{4651}}^1$

素因数の和:4785

約数の個数: 128

約数和(自身を含む): 3938941440

約数和(自身を除く): 2693775720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 97, 115, 120, 138, 184, 194, 230, 276, 291, 345, 388, 460, 485, 552, 582, 690, 776, 920, 970, 1164, 1380, 1455, 1940, 2231, 2328, 2760, 2910, 3880, 4462, 4651, 5820, 6693, 8924, 9302, 11155, 11640, 13386, 13953, 17848, 18604, 22310, 23255, 26772, 27906, 33465, 37208, 44620, 46510, 53544, 55812, 66930, 69765, 89240, 93020, 106973, 111624, 133860, 139530, 186040, 213946, 267720, 279060, 320919, 427892, 451147, 534865, 558120, 641838, 855784, 902294, 1069730, 1283676, 1353441, 1604595, 1804588, 2139460, 2255735, 2567352, 2706882, 3209190, 3609176, 4278920, 4511470, 5413764, 6418380, 6767205, 9022940, 10376381, 10827528, 12836760, 13534410, 18045880, 20752762, 27068820, 31129143, 41505524, 51881905, 54137640, 62258286, 83011048, 103763810, 124516572, 155645715, 207527620, 249033144, 311291430, 415055240, 622582860, 1245165720]

約数ペア:

[(1, 1245165720), (2, 622582860), (3, 415055240), (4, 311291430), (5, 249033144), (6, 207527620), (8, 155645715), (10, 124516572), (12, 103763810), (15, 83011048), (20, 62258286), (23, 54137640), (24, 51881905), (30, 41505524), (40, 31129143), (46, 27068820), (60, 20752762), (69, 18045880), (92, 13534410), (97, 12836760), (115, 10827528), (120, 10376381), (138, 9022940), (184, 6767205), (194, 6418380), (230, 5413764), (276, 4511470), (291, 4278920), (345, 3609176), (388, 3209190), (460, 2706882), (485, 2567352), (552, 2255735), (582, 2139460), (690, 1804588), (776, 1604595), (920, 1353441), (970, 1283676), (1164, 1069730), (1380, 902294), (1455, 855784), (1940, 641838), (2231, 558120), (2328, 534865), (2760, 451147), (2910, 427892), (3880, 320919), (4462, 279060), (4651, 267720), (5820, 213946), (6693, 186040), (8924, 139530), (9302, 133860), (11155, 111624), (11640, 106973), (13386, 93020), (13953, 89240), (17848, 69765), (18604, 66930), (22310, 55812), (23255, 53544), (26772, 46510), (27906, 44620), (33465, 37208)]