128745000

素因数分解:

$2^3\times 3^2\times 5^4\times {\mathrm{2861}}^1$

素因数の和:2893

約数の個数: 120

約数和(自身を含む): 435868290

約数和(自身を除く): 307123290

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 125, 150, 180, 200, 225, 250, 300, 360, 375, 450, 500, 600, 625, 750, 900, 1000, 1125, 1250, 1500, 1800, 1875, 2250, 2500, 2861, 3000, 3750, 4500, 5000, 5625, 5722, 7500, 8583, 9000, 11250, 11444, 14305, 15000, 17166, 22500, 22888, 25749, 28610, 34332, 42915, 45000, 51498, 57220, 68664, 71525, 85830, 102996, 114440, 128745, 143050, 171660, 205992, 214575, 257490, 286100, 343320, 357625, 429150, 514980, 572200, 643725, 715250, 858300, 1029960, 1072875, 1287450, 1430500, 1716600, 1788125, 2145750, 2574900, 2861000, 3218625, 3576250, 4291500, 5149800, 5364375, 6437250, 7152500, 8583000, 10728750, 12874500, 14305000, 16093125, 21457500, 25749000, 32186250, 42915000, 64372500, 128745000]

約数ペア:

[(1, 128745000), (2, 64372500), (3, 42915000), (4, 32186250), (5, 25749000), (6, 21457500), (8, 16093125), (9, 14305000), (10, 12874500), (12, 10728750), (15, 8583000), (18, 7152500), (20, 6437250), (24, 5364375), (25, 5149800), (30, 4291500), (36, 3576250), (40, 3218625), (45, 2861000), (50, 2574900), (60, 2145750), (72, 1788125), (75, 1716600), (90, 1430500), (100, 1287450), (120, 1072875), (125, 1029960), (150, 858300), (180, 715250), (200, 643725), (225, 572200), (250, 514980), (300, 429150), (360, 357625), (375, 343320), (450, 286100), (500, 257490), (600, 214575), (625, 205992), (750, 171660), (900, 143050), (1000, 128745), (1125, 114440), (1250, 102996), (1500, 85830), (1800, 71525), (1875, 68664), (2250, 57220), (2500, 51498), (2861, 45000), (3000, 42915), (3750, 34332), (4500, 28610), (5000, 25749), (5625, 22888), (5722, 22500), (7500, 17166), (8583, 15000), (9000, 14305), (11250, 11444)]