28254120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1$

素因数の和:419

約数の個数: 128

約数和(自身を含む): 91756800

約数和(自身を除く): 63502680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 29, 30, 40, 46, 58, 60, 69, 87, 92, 115, 116, 120, 138, 145, 174, 184, 230, 232, 276, 290, 345, 348, 353, 435, 460, 552, 580, 667, 690, 696, 706, 870, 920, 1059, 1160, 1334, 1380, 1412, 1740, 1765, 2001, 2118, 2668, 2760, 2824, 3335, 3480, 3530, 4002, 4236, 5295, 5336, 6670, 7060, 8004, 8119, 8472, 10005, 10237, 10590, 13340, 14120, 16008, 16238, 20010, 20474, 21180, 24357, 26680, 30711, 32476, 40020, 40595, 40948, 42360, 48714, 51185, 61422, 64952, 80040, 81190, 81896, 97428, 102370, 121785, 122844, 153555, 162380, 194856, 204740, 235451, 243570, 245688, 307110, 324760, 409480, 470902, 487140, 614220, 706353, 941804, 974280, 1177255, 1228440, 1412706, 1883608, 2354510, 2825412, 3531765, 4709020, 5650824, 7063530, 9418040, 14127060, 28254120]

約数ペア:

[(1, 28254120), (2, 14127060), (3, 9418040), (4, 7063530), (5, 5650824), (6, 4709020), (8, 3531765), (10, 2825412), (12, 2354510), (15, 1883608), (20, 1412706), (23, 1228440), (24, 1177255), (29, 974280), (30, 941804), (40, 706353), (46, 614220), (58, 487140), (60, 470902), (69, 409480), (87, 324760), (92, 307110), (115, 245688), (116, 243570), (120, 235451), (138, 204740), (145, 194856), (174, 162380), (184, 153555), (230, 122844), (232, 121785), (276, 102370), (290, 97428), (345, 81896), (348, 81190), (353, 80040), (435, 64952), (460, 61422), (552, 51185), (580, 48714), (667, 42360), (690, 40948), (696, 40595), (706, 40020), (870, 32476), (920, 30711), (1059, 26680), (1160, 24357), (1334, 21180), (1380, 20474), (1412, 20010), (1740, 16238), (1765, 16008), (2001, 14120), (2118, 13340), (2668, 10590), (2760, 10237), (2824, 10005), (3335, 8472), (3480, 8119), (3530, 8004), (4002, 7060), (4236, 6670), (5295, 5336)]