80741520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{883}}^1$

素因数の和:1029

約数の個数: 120

約数和(自身を含む): 273601536

約数和(自身を除く): 192860016

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 127, 144, 180, 240, 254, 360, 381, 508, 635, 720, 762, 883, 1016, 1143, 1270, 1524, 1766, 1905, 2032, 2286, 2540, 2649, 3048, 3532, 3810, 4415, 4572, 5080, 5298, 5715, 6096, 7064, 7620, 7947, 8830, 9144, 10160, 10596, 11430, 13245, 14128, 15240, 15894, 17660, 18288, 21192, 22860, 26490, 30480, 31788, 35320, 39735, 42384, 45720, 52980, 63576, 70640, 79470, 91440, 105960, 112141, 127152, 158940, 211920, 224282, 317880, 336423, 448564, 560705, 635760, 672846, 897128, 1009269, 1121410, 1345692, 1682115, 1794256, 2018538, 2242820, 2691384, 3364230, 4037076, 4485640, 5046345, 5382768, 6728460, 8074152, 8971280, 10092690, 13456920, 16148304, 20185380, 26913840, 40370760, 80741520]

約数ペア:

[(1, 80741520), (2, 40370760), (3, 26913840), (4, 20185380), (5, 16148304), (6, 13456920), (8, 10092690), (9, 8971280), (10, 8074152), (12, 6728460), (15, 5382768), (16, 5046345), (18, 4485640), (20, 4037076), (24, 3364230), (30, 2691384), (36, 2242820), (40, 2018538), (45, 1794256), (48, 1682115), (60, 1345692), (72, 1121410), (80, 1009269), (90, 897128), (120, 672846), (127, 635760), (144, 560705), (180, 448564), (240, 336423), (254, 317880), (360, 224282), (381, 211920), (508, 158940), (635, 127152), (720, 112141), (762, 105960), (883, 91440), (1016, 79470), (1143, 70640), (1270, 63576), (1524, 52980), (1766, 45720), (1905, 42384), (2032, 39735), (2286, 35320), (2540, 31788), (2649, 30480), (3048, 26490), (3532, 22860), (3810, 21192), (4415, 18288), (4572, 17660), (5080, 15894), (5298, 15240), (5715, 14128), (6096, 13245), (7064, 11430), (7620, 10596), (7947, 10160), (8830, 9144)]