128979720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{358277}}^1$

素因数の和:358294

約数の個数: 48

約数和(自身を含む): 419185260

約数和(自身を除く): 290205540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 358277, 716554, 1074831, 1433108, 1791385, 2149662, 2866216, 3224493, 3582770, 4299324, 5374155, 6448986, 7165540, 8598648, 10748310, 12897972, 14331080, 16122465, 21496620, 25795944, 32244930, 42993240, 64489860, 128979720]

約数ペア:

[(1, 128979720), (2, 64489860), (3, 42993240), (4, 32244930), (5, 25795944), (6, 21496620), (8, 16122465), (9, 14331080), (10, 12897972), (12, 10748310), (15, 8598648), (18, 7165540), (20, 6448986), (24, 5374155), (30, 4299324), (36, 3582770), (40, 3224493), (45, 2866216), (60, 2149662), (72, 1791385), (90, 1433108), (120, 1074831), (180, 716554), (360, 358277)]