217071720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{602977}}^1$

素因数の和:602994

約数の個数: 48

約数和(自身を含む): 705484260

約数和(自身を除く): 488412540

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, 602977, 1205954, 1808931, 2411908, 3014885, 3617862, 4823816, 5426793, 6029770, 7235724, 9044655, 10853586, 12059540, 14471448, 18089310, 21707172, 24119080, 27133965, 36178620, 43414344, 54267930, 72357240, 108535860, 217071720]

約数ペア:

[(1, 217071720), (2, 108535860), (3, 72357240), (4, 54267930), (5, 43414344), (6, 36178620), (8, 27133965), (9, 24119080), (10, 21707172), (12, 18089310), (15, 14471448), (18, 12059540), (20, 10853586), (24, 9044655), (30, 7235724), (36, 6029770), (40, 5426793), (45, 4823816), (60, 3617862), (72, 3014885), (90, 2411908), (120, 1808931), (180, 1205954), (360, 602977)]