28006560

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{2161}}^1$

素因数の和:2188

約数の個数: 120

約数和(自身を含む): 98885556

約数和(自身を除く): 70878996

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2161, 2592, 3240, 4320, 4322, 6480, 6483, 8644, 10805, 12960, 12966, 17288, 19449, 21610, 25932, 32415, 34576, 38898, 43220, 51864, 58347, 64830, 69152, 77796, 86440, 97245, 103728, 116694, 129660, 155592, 172880, 175041, 194490, 207456, 233388, 259320, 291735, 311184, 345760, 350082, 388980, 466776, 518640, 583470, 622368, 700164, 777960, 875205, 933552, 1037280, 1166940, 1400328, 1555920, 1750410, 1867104, 2333880, 2800656, 3111840, 3500820, 4667760, 5601312, 7001640, 9335520, 14003280, 28006560]

約数ペア:

[(1, 28006560), (2, 14003280), (3, 9335520), (4, 7001640), (5, 5601312), (6, 4667760), (8, 3500820), (9, 3111840), (10, 2800656), (12, 2333880), (15, 1867104), (16, 1750410), (18, 1555920), (20, 1400328), (24, 1166940), (27, 1037280), (30, 933552), (32, 875205), (36, 777960), (40, 700164), (45, 622368), (48, 583470), (54, 518640), (60, 466776), (72, 388980), (80, 350082), (81, 345760), (90, 311184), (96, 291735), (108, 259320), (120, 233388), (135, 207456), (144, 194490), (160, 175041), (162, 172880), (180, 155592), (216, 129660), (240, 116694), (270, 103728), (288, 97245), (324, 86440), (360, 77796), (405, 69152), (432, 64830), (480, 58347), (540, 51864), (648, 43220), (720, 38898), (810, 34576), (864, 32415), (1080, 25932), (1296, 21610), (1440, 19449), (1620, 17288), (2160, 12966), (2161, 12960), (2592, 10805), (3240, 8644), (4320, 6483), (4322, 6480)]