255630720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{631}}^1$

素因数の和:864

約数の個数: 128

約数和(自身を含む): 819982080

約数和(自身を除く): 564351360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 211, 240, 320, 384, 422, 480, 631, 633, 640, 844, 960, 1055, 1262, 1266, 1688, 1893, 1920, 2110, 2524, 2532, 3155, 3165, 3376, 3786, 4220, 5048, 5064, 6310, 6330, 6752, 7572, 8440, 9465, 10096, 10128, 12620, 12660, 13504, 15144, 16880, 18930, 20192, 20256, 25240, 25320, 27008, 30288, 33760, 37860, 40384, 40512, 50480, 50640, 60576, 67520, 75720, 80768, 81024, 100960, 101280, 121152, 133141, 135040, 151440, 201920, 202560, 242304, 266282, 302880, 399423, 403840, 405120, 532564, 605760, 665705, 798846, 1065128, 1211520, 1331410, 1597692, 1997115, 2130256, 2662820, 3195384, 3994230, 4260512, 5325640, 6390768, 7988460, 8521024, 10651280, 12781536, 15976920, 17042048, 21302560, 25563072, 31953840, 42605120, 51126144, 63907680, 85210240, 127815360, 255630720]

約数ペア:

[(1, 255630720), (2, 127815360), (3, 85210240), (4, 63907680), (5, 51126144), (6, 42605120), (8, 31953840), (10, 25563072), (12, 21302560), (15, 17042048), (16, 15976920), (20, 12781536), (24, 10651280), (30, 8521024), (32, 7988460), (40, 6390768), (48, 5325640), (60, 4260512), (64, 3994230), (80, 3195384), (96, 2662820), (120, 2130256), (128, 1997115), (160, 1597692), (192, 1331410), (211, 1211520), (240, 1065128), (320, 798846), (384, 665705), (422, 605760), (480, 532564), (631, 405120), (633, 403840), (640, 399423), (844, 302880), (960, 266282), (1055, 242304), (1262, 202560), (1266, 201920), (1688, 151440), (1893, 135040), (1920, 133141), (2110, 121152), (2524, 101280), (2532, 100960), (3155, 81024), (3165, 80768), (3376, 75720), (3786, 67520), (4220, 60576), (5048, 50640), (5064, 50480), (6310, 40512), (6330, 40384), (6752, 37860), (7572, 33760), (8440, 30288), (9465, 27008), (10096, 25320), (10128, 25240), (12620, 20256), (12660, 20192), (13504, 18930), (15144, 16880)]