218081520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{302891}}^1$

素因数の和:302910

約数の個数: 60

約数和(自身を含む): 732392856

約数和(自身を除く): 514311336

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, 302891, 605782, 908673, 1211564, 1514455, 1817346, 2423128, 2726019, 3028910, 3634692, 4543365, 4846256, 5452038, 6057820, 7269384, 9086730, 10904076, 12115640, 13630095, 14538768, 18173460, 21808152, 24231280, 27260190, 36346920, 43616304, 54520380, 72693840, 109040760, 218081520]

約数ペア:

[(1, 218081520), (2, 109040760), (3, 72693840), (4, 54520380), (5, 43616304), (6, 36346920), (8, 27260190), (9, 24231280), (10, 21808152), (12, 18173460), (15, 14538768), (16, 13630095), (18, 12115640), (20, 10904076), (24, 9086730), (30, 7269384), (36, 6057820), (40, 5452038), (45, 4846256), (48, 4543365), (60, 3634692), (72, 3028910), (80, 2726019), (90, 2423128), (120, 1817346), (144, 1514455), (180, 1211564), (240, 908673), (360, 605782), (720, 302891)]