80951940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{149911}}^1$

素因数の和:149929

約数の個数: 48

約数和(自身を含む): 251852160

約数和(自身を除く): 170900220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 149911, 299822, 449733, 599644, 749555, 899466, 1349199, 1499110, 1798932, 2248665, 2698398, 2998220, 4047597, 4497330, 5396796, 6745995, 8095194, 8994660, 13491990, 16190388, 20237985, 26983980, 40475970, 80951940]

約数ペア:

[(1, 80951940), (2, 40475970), (3, 26983980), (4, 20237985), (5, 16190388), (6, 13491990), (9, 8994660), (10, 8095194), (12, 6745995), (15, 5396796), (18, 4497330), (20, 4047597), (27, 2998220), (30, 2698398), (36, 2248665), (45, 1798932), (54, 1499110), (60, 1349199), (90, 899466), (108, 749555), (135, 599644), (180, 449733), (270, 299822), (540, 149911)]