1217920

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 3194640

約数和(自身を除く): 1976720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 173, 176, 220, 320, 346, 352, 440, 640, 692, 704, 865, 880, 1384, 1408, 1730, 1760, 1903, 2768, 3460, 3520, 3806, 5536, 6920, 7040, 7612, 9515, 11072, 13840, 15224, 19030, 22144, 27680, 30448, 38060, 55360, 60896, 76120, 110720, 121792, 152240, 243584, 304480, 608960, 1217920]

約数ペア:

[(1, 1217920), (2, 608960), (4, 304480), (5, 243584), (8, 152240), (10, 121792), (11, 110720), (16, 76120), (20, 60896), (22, 55360), (32, 38060), (40, 30448), (44, 27680), (55, 22144), (64, 19030), (80, 15224), (88, 13840), (110, 11072), (128, 9515), (160, 7612), (173, 7040), (176, 6920), (220, 5536), (320, 3806), (346, 3520), (352, 3460), (440, 2768), (640, 1903), (692, 1760), (704, 1730), (865, 1408), (880, 1384)]