287421840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{399197}}^1$

素因数の和:399216

約数の個数: 60

約数和(自身を含む): 965260764

約数和(自身を除く): 677838924

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 399197, 798394, 1197591, 1596788, 1995985, 2395182, 3193576, 3592773, 3991970, 4790364, 5987955, 6387152, 7185546, 7983940, 9580728, 11975910, 14371092, 15967880, 17963865, 19161456, 23951820, 28742184, 31935760, 35927730, 47903640, 57484368, 71855460, 95807280, 143710920, 287421840]

約数ペア:

[(1, 287421840), (2, 143710920), (3, 95807280), (4, 71855460), (5, 57484368), (6, 47903640), (8, 35927730), (9, 31935760), (10, 28742184), (12, 23951820), (15, 19161456), (16, 17963865), (18, 15967880), (20, 14371092), (24, 11975910), (30, 9580728), (36, 7983940), (40, 7185546), (45, 6387152), (48, 5987955), (60, 4790364), (72, 3991970), (80, 3592773), (90, 3193576), (120, 2395182), (144, 1995985), (180, 1596788), (240, 1197591), (360, 798394), (720, 399197)]