287760240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{399667}}^1$

素因数の和:399686

約数の個数: 60

約数和(自身を含む): 966397224

約数和(自身を除く): 678636984

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, 399667, 799334, 1199001, 1598668, 1998335, 2398002, 3197336, 3597003, 3996670, 4796004, 5995005, 6394672, 7194006, 7993340, 9592008, 11990010, 14388012, 15986680, 17985015, 19184016, 23980020, 28776024, 31973360, 35970030, 47960040, 57552048, 71940060, 95920080, 143880120, 287760240]

約数ペア:

[(1, 287760240), (2, 143880120), (3, 95920080), (4, 71940060), (5, 57552048), (6, 47960040), (8, 35970030), (9, 31973360), (10, 28776024), (12, 23980020), (15, 19184016), (16, 17985015), (18, 15986680), (20, 14388012), (24, 11990010), (30, 9592008), (36, 7993340), (40, 7194006), (45, 6394672), (48, 5995005), (60, 4796004), (72, 3996670), (80, 3597003), (90, 3197336), (120, 2398002), (144, 1998335), (180, 1598668), (240, 1199001), (360, 799334), (720, 399667)]