28427520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{673}}^1$

素因数の和:708

約数の個数: 144

約数和(自身を含む): 99191232

約数和(自身を除く): 70763712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 256, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 673, 704, 768, 880, 960, 1056, 1280, 1320, 1346, 1408, 1760, 1920, 2019, 2112, 2640, 2692, 2816, 3365, 3520, 3840, 4038, 4224, 5280, 5384, 6730, 7040, 7403, 8076, 8448, 10095, 10560, 10768, 13460, 14080, 14806, 16152, 20190, 21120, 21536, 22209, 26920, 29612, 32304, 37015, 40380, 42240, 43072, 44418, 53840, 59224, 64608, 74030, 80760, 86144, 88836, 107680, 111045, 118448, 129216, 148060, 161520, 172288, 177672, 215360, 222090, 236896, 258432, 296120, 323040, 355344, 430720, 444180, 473792, 516864, 592240, 646080, 710688, 861440, 888360, 947584, 1184480, 1292160, 1421376, 1776720, 1895168, 2368960, 2584320, 2842752, 3553440, 4737920, 5685504, 7106880, 9475840, 14213760, 28427520]

約数ペア:

[(1, 28427520), (2, 14213760), (3, 9475840), (4, 7106880), (5, 5685504), (6, 4737920), (8, 3553440), (10, 2842752), (11, 2584320), (12, 2368960), (15, 1895168), (16, 1776720), (20, 1421376), (22, 1292160), (24, 1184480), (30, 947584), (32, 888360), (33, 861440), (40, 710688), (44, 646080), (48, 592240), (55, 516864), (60, 473792), (64, 444180), (66, 430720), (80, 355344), (88, 323040), (96, 296120), (110, 258432), (120, 236896), (128, 222090), (132, 215360), (160, 177672), (165, 172288), (176, 161520), (192, 148060), (220, 129216), (240, 118448), (256, 111045), (264, 107680), (320, 88836), (330, 86144), (352, 80760), (384, 74030), (440, 64608), (480, 59224), (528, 53840), (640, 44418), (660, 43072), (673, 42240), (704, 40380), (768, 37015), (880, 32304), (960, 29612), (1056, 26920), (1280, 22209), (1320, 21536), (1346, 21120), (1408, 20190), (1760, 16152), (1920, 14806), (2019, 14080), (2112, 13460), (2640, 10768), (2692, 10560), (2816, 10095), (3365, 8448), (3520, 8076), (3840, 7403), (4038, 7040), (4224, 6730), (5280, 5384)]