28189800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{15661}}^1$

素因数の和:15683

約数の個数: 72

約数和(自身を含む): 94676790

約数和(自身を除く): 66486990

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, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 15661, 31322, 46983, 62644, 78305, 93966, 125288, 140949, 156610, 187932, 234915, 281898, 313220, 375864, 391525, 469830, 563796, 626440, 704745, 783050, 939660, 1127592, 1174575, 1409490, 1566100, 1879320, 2349150, 2818980, 3132200, 3523725, 4698300, 5637960, 7047450, 9396600, 14094900, 28189800]

約数ペア:

[(1, 28189800), (2, 14094900), (3, 9396600), (4, 7047450), (5, 5637960), (6, 4698300), (8, 3523725), (9, 3132200), (10, 2818980), (12, 2349150), (15, 1879320), (18, 1566100), (20, 1409490), (24, 1174575), (25, 1127592), (30, 939660), (36, 783050), (40, 704745), (45, 626440), (50, 563796), (60, 469830), (72, 391525), (75, 375864), (90, 313220), (100, 281898), (120, 234915), (150, 187932), (180, 156610), (200, 140949), (225, 125288), (300, 93966), (360, 78305), (450, 62644), (600, 46983), (900, 31322), (1800, 15661)]