198919440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{276277}}^1$

素因数の和:276296

約数の個数: 60

約数和(自身を含む): 668040204

約数和(自身を除く): 469120764

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, 276277, 552554, 828831, 1105108, 1381385, 1657662, 2210216, 2486493, 2762770, 3315324, 4144155, 4420432, 4972986, 5525540, 6630648, 8288310, 9945972, 11051080, 12432465, 13261296, 16576620, 19891944, 22102160, 24864930, 33153240, 39783888, 49729860, 66306480, 99459720, 198919440]

約数ペア:

[(1, 198919440), (2, 99459720), (3, 66306480), (4, 49729860), (5, 39783888), (6, 33153240), (8, 24864930), (9, 22102160), (10, 19891944), (12, 16576620), (15, 13261296), (16, 12432465), (18, 11051080), (20, 9945972), (24, 8288310), (30, 6630648), (36, 5525540), (40, 4972986), (45, 4420432), (48, 4144155), (60, 3315324), (72, 2762770), (80, 2486493), (90, 2210216), (120, 1657662), (144, 1381385), (180, 1105108), (240, 828831), (360, 552554), (720, 276277)]