30638880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{21277}}^1$

素因数の和:21298

約数の個数: 72

約数和(自身を含む): 104560092

約数和(自身を除く): 73921212

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 21277, 42554, 63831, 85108, 106385, 127662, 170216, 191493, 212770, 255324, 319155, 340432, 382986, 425540, 510648, 638310, 680864, 765972, 851080, 957465, 1021296, 1276620, 1531944, 1702160, 1914930, 2042592, 2553240, 3063888, 3404320, 3829860, 5106480, 6127776, 7659720, 10212960, 15319440, 30638880]

約数ペア:

[(1, 30638880), (2, 15319440), (3, 10212960), (4, 7659720), (5, 6127776), (6, 5106480), (8, 3829860), (9, 3404320), (10, 3063888), (12, 2553240), (15, 2042592), (16, 1914930), (18, 1702160), (20, 1531944), (24, 1276620), (30, 1021296), (32, 957465), (36, 851080), (40, 765972), (45, 680864), (48, 638310), (60, 510648), (72, 425540), (80, 382986), (90, 340432), (96, 319155), (120, 255324), (144, 212770), (160, 191493), (180, 170216), (240, 127662), (288, 106385), (360, 85108), (480, 63831), (720, 42554), (1440, 21277)]