209550720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{109141}}^1$

素因数の和:109163

約数の個数: 64

約数和(自身を含む): 667949040

約数和(自身を除く): 458398320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 109141, 218282, 327423, 436564, 545705, 654846, 873128, 1091410, 1309692, 1637115, 1746256, 2182820, 2619384, 3274230, 3492512, 4365640, 5238768, 6548460, 6985024, 8731280, 10477536, 13096920, 13970048, 17462560, 20955072, 26193840, 34925120, 41910144, 52387680, 69850240, 104775360, 209550720]

約数ペア:

[(1, 209550720), (2, 104775360), (3, 69850240), (4, 52387680), (5, 41910144), (6, 34925120), (8, 26193840), (10, 20955072), (12, 17462560), (15, 13970048), (16, 13096920), (20, 10477536), (24, 8731280), (30, 6985024), (32, 6548460), (40, 5238768), (48, 4365640), (60, 3492512), (64, 3274230), (80, 2619384), (96, 2182820), (120, 1746256), (128, 1637115), (160, 1309692), (192, 1091410), (240, 873128), (320, 654846), (384, 545705), (480, 436564), (640, 327423), (960, 218282), (1920, 109141)]