80623440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{111977}}^1$

素因数の和:111996

約数の個数: 60

約数和(自身を含む): 270762804

約数和(自身を除く): 190139364

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, 111977, 223954, 335931, 447908, 559885, 671862, 895816, 1007793, 1119770, 1343724, 1679655, 1791632, 2015586, 2239540, 2687448, 3359310, 4031172, 4479080, 5038965, 5374896, 6718620, 8062344, 8958160, 10077930, 13437240, 16124688, 20155860, 26874480, 40311720, 80623440]

約数ペア:

[(1, 80623440), (2, 40311720), (3, 26874480), (4, 20155860), (5, 16124688), (6, 13437240), (8, 10077930), (9, 8958160), (10, 8062344), (12, 6718620), (15, 5374896), (16, 5038965), (18, 4479080), (20, 4031172), (24, 3359310), (30, 2687448), (36, 2239540), (40, 2015586), (45, 1791632), (48, 1679655), (60, 1343724), (72, 1119770), (80, 1007793), (90, 895816), (120, 671862), (144, 559885), (180, 447908), (240, 335931), (360, 223954), (720, 111977)]