208423440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{289477}}^1$

素因数の和:289496

約数の個数: 60

約数和(自身を含む): 699957804

約数和(自身を除く): 491534364

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, 289477, 578954, 868431, 1157908, 1447385, 1736862, 2315816, 2605293, 2894770, 3473724, 4342155, 4631632, 5210586, 5789540, 6947448, 8684310, 10421172, 11579080, 13026465, 13894896, 17368620, 20842344, 23158160, 26052930, 34737240, 41684688, 52105860, 69474480, 104211720, 208423440]

約数ペア:

[(1, 208423440), (2, 104211720), (3, 69474480), (4, 52105860), (5, 41684688), (6, 34737240), (8, 26052930), (9, 23158160), (10, 20842344), (12, 17368620), (15, 13894896), (16, 13026465), (18, 11579080), (20, 10421172), (24, 8684310), (30, 6947448), (36, 5789540), (40, 5210586), (45, 4631632), (48, 4342155), (60, 3473724), (72, 2894770), (80, 2605293), (90, 2315816), (120, 1736862), (144, 1447385), (180, 1157908), (240, 868431), (360, 578954), (720, 289477)]