399479040

素因数分解:

$2^8\times 3^4\times 5^1\times {\mathrm{3853}}^1$

素因数の和:3886

約数の個数: 180

約数和(自身を含む): 1429780044

約数和(自身を除く): 1030301004

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, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 540, 576, 640, 648, 720, 768, 810, 864, 960, 1080, 1152, 1280, 1296, 1440, 1620, 1728, 1920, 2160, 2304, 2592, 2880, 3240, 3456, 3840, 3853, 4320, 5184, 5760, 6480, 6912, 7706, 8640, 10368, 11520, 11559, 12960, 15412, 17280, 19265, 20736, 23118, 25920, 30824, 34560, 34677, 38530, 46236, 51840, 57795, 61648, 69354, 77060, 92472, 103680, 104031, 115590, 123296, 138708, 154120, 173385, 184944, 208062, 231180, 246592, 277416, 308240, 312093, 346770, 369888, 416124, 462360, 493184, 520155, 554832, 616480, 624186, 693540, 739776, 832248, 924720, 986368, 1040310, 1109664, 1232960, 1248372, 1387080, 1479552, 1560465, 1664496, 1849440, 2080620, 2219328, 2465920, 2496744, 2774160, 2959104, 3120930, 3328992, 3698880, 4161240, 4438656, 4931840, 4993488, 5548320, 6241860, 6657984, 7397760, 8322480, 8877312, 9986976, 11096640, 12483720, 13315968, 14795520, 16644960, 19973952, 22193280, 24967440, 26631936, 33289920, 39947904, 44386560, 49934880, 66579840, 79895808, 99869760, 133159680, 199739520, 399479040]

約数ペア:

[(1, 399479040), (2, 199739520), (3, 133159680), (4, 99869760), (5, 79895808), (6, 66579840), (8, 49934880), (9, 44386560), (10, 39947904), (12, 33289920), (15, 26631936), (16, 24967440), (18, 22193280), (20, 19973952), (24, 16644960), (27, 14795520), (30, 13315968), (32, 12483720), (36, 11096640), (40, 9986976), (45, 8877312), (48, 8322480), (54, 7397760), (60, 6657984), (64, 6241860), (72, 5548320), (80, 4993488), (81, 4931840), (90, 4438656), (96, 4161240), (108, 3698880), (120, 3328992), (128, 3120930), (135, 2959104), (144, 2774160), (160, 2496744), (162, 2465920), (180, 2219328), (192, 2080620), (216, 1849440), (240, 1664496), (256, 1560465), (270, 1479552), (288, 1387080), (320, 1248372), (324, 1232960), (360, 1109664), (384, 1040310), (405, 986368), (432, 924720), (480, 832248), (540, 739776), (576, 693540), (640, 624186), (648, 616480), (720, 554832), (768, 520155), (810, 493184), (864, 462360), (960, 416124), (1080, 369888), (1152, 346770), (1280, 312093), (1296, 308240), (1440, 277416), (1620, 246592), (1728, 231180), (1920, 208062), (2160, 184944), (2304, 173385), (2592, 154120), (2880, 138708), (3240, 123296), (3456, 115590), (3840, 104031), (3853, 103680), (4320, 92472), (5184, 77060), (5760, 69354), (6480, 61648), (6912, 57795), (7706, 51840), (8640, 46236), (10368, 38530), (11520, 34677), (11559, 34560), (12960, 30824), (15412, 25920), (17280, 23118), (19265, 20736)]