278678880

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{21503}}^1$

素因数の和:21530

約数の個数: 120

約数和(自身を含む): 983549952

約数和(自身を除く): 704871072

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, 2592, 3240, 4320, 6480, 12960, 21503, 43006, 64509, 86012, 107515, 129018, 172024, 193527, 215030, 258036, 322545, 344048, 387054, 430060, 516072, 580581, 645090, 688096, 774108, 860120, 967635, 1032144, 1161162, 1290180, 1548216, 1720240, 1741743, 1935270, 2064288, 2322324, 2580360, 2902905, 3096432, 3440480, 3483486, 3870540, 4644648, 5160720, 5805810, 6192864, 6966972, 7741080, 8708715, 9289296, 10321440, 11611620, 13933944, 15482160, 17417430, 18578592, 23223240, 27867888, 30964320, 34834860, 46446480, 55735776, 69669720, 92892960, 139339440, 278678880]

約数ペア:

[(1, 278678880), (2, 139339440), (3, 92892960), (4, 69669720), (5, 55735776), (6, 46446480), (8, 34834860), (9, 30964320), (10, 27867888), (12, 23223240), (15, 18578592), (16, 17417430), (18, 15482160), (20, 13933944), (24, 11611620), (27, 10321440), (30, 9289296), (32, 8708715), (36, 7741080), (40, 6966972), (45, 6192864), (48, 5805810), (54, 5160720), (60, 4644648), (72, 3870540), (80, 3483486), (81, 3440480), (90, 3096432), (96, 2902905), (108, 2580360), (120, 2322324), (135, 2064288), (144, 1935270), (160, 1741743), (162, 1720240), (180, 1548216), (216, 1290180), (240, 1161162), (270, 1032144), (288, 967635), (324, 860120), (360, 774108), (405, 688096), (432, 645090), (480, 580581), (540, 516072), (648, 430060), (720, 387054), (810, 344048), (864, 322545), (1080, 258036), (1296, 215030), (1440, 193527), (1620, 172024), (2160, 129018), (2592, 107515), (3240, 86012), (4320, 64509), (6480, 43006), (12960, 21503)]