209521440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{145501}}^1$

素因数の和:145522

約数の個数: 72

約数和(自身を含む): 714996828

約数和(自身を除く): 505475388

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 145501, 291002, 436503, 582004, 727505, 873006, 1164008, 1309509, 1455010, 1746012, 2182515, 2328016, 2619018, 2910020, 3492024, 4365030, 4656032, 5238036, 5820040, 6547545, 6984048, 8730060, 10476072, 11640080, 13095090, 13968096, 17460120, 20952144, 23280160, 26190180, 34920240, 41904288, 52380360, 69840480, 104760720, 209521440]

約数ペア:

[(1, 209521440), (2, 104760720), (3, 69840480), (4, 52380360), (5, 41904288), (6, 34920240), (8, 26190180), (9, 23280160), (10, 20952144), (12, 17460120), (15, 13968096), (16, 13095090), (18, 11640080), (20, 10476072), (24, 8730060), (30, 6984048), (32, 6547545), (36, 5820040), (40, 5238036), (45, 4656032), (48, 4365030), (60, 3492024), (72, 2910020), (80, 2619018), (90, 2328016), (96, 2182515), (120, 1746012), (144, 1455010), (160, 1309509), (180, 1164008), (240, 873006), (288, 727505), (360, 582004), (480, 436503), (720, 291002), (1440, 145501)]