172071720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{477977}}^1$

素因数の和:477994

約数の個数: 48

約数和(自身を含む): 559234260

約数和(自身を除く): 387162540

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, 477977, 955954, 1433931, 1911908, 2389885, 2867862, 3823816, 4301793, 4779770, 5735724, 7169655, 8603586, 9559540, 11471448, 14339310, 17207172, 19119080, 21508965, 28678620, 34414344, 43017930, 57357240, 86035860, 172071720]

約数ペア:

[(1, 172071720), (2, 86035860), (3, 57357240), (4, 43017930), (5, 34414344), (6, 28678620), (8, 21508965), (9, 19119080), (10, 17207172), (12, 14339310), (15, 11471448), (18, 9559540), (20, 8603586), (24, 7169655), (30, 5735724), (36, 4779770), (40, 4301793), (45, 3823816), (60, 2867862), (72, 2389885), (90, 1911908), (120, 1433931), (180, 955954), (360, 477977)]