181899520

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12919}}^1$

素因数の和:12951

約数の個数: 72

約数和(自身を含む): 475352640

約数和(自身を除く): 293453120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 7040, 12919, 14080, 25838, 51676, 64595, 103352, 129190, 142109, 206704, 258380, 284218, 413408, 516760, 568436, 710545, 826816, 1033520, 1136872, 1421090, 1653632, 2067040, 2273744, 2842180, 3307264, 4134080, 4547488, 5684360, 8268160, 9094976, 11368720, 16536320, 18189952, 22737440, 36379904, 45474880, 90949760, 181899520]

約数ペア:

[(1, 181899520), (2, 90949760), (4, 45474880), (5, 36379904), (8, 22737440), (10, 18189952), (11, 16536320), (16, 11368720), (20, 9094976), (22, 8268160), (32, 5684360), (40, 4547488), (44, 4134080), (55, 3307264), (64, 2842180), (80, 2273744), (88, 2067040), (110, 1653632), (128, 1421090), (160, 1136872), (176, 1033520), (220, 826816), (256, 710545), (320, 568436), (352, 516760), (440, 413408), (640, 284218), (704, 258380), (880, 206704), (1280, 142109), (1408, 129190), (1760, 103352), (2816, 64595), (3520, 51676), (7040, 25838), (12919, 14080)]