51222420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{743}}^1$

素因数の和:1141

約数の個数: 72

約数和(自身を含む): 155990016

約数和(自身を除く): 104767596

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 383, 743, 766, 1149, 1486, 1532, 1915, 2229, 2298, 2972, 3447, 3715, 3830, 4458, 4596, 5745, 6687, 6894, 7430, 7660, 8916, 11145, 11490, 13374, 13788, 14860, 17235, 22290, 22980, 26748, 33435, 34470, 44580, 66870, 68940, 133740, 284569, 569138, 853707, 1138276, 1422845, 1707414, 2561121, 2845690, 3414828, 4268535, 5122242, 5691380, 8537070, 10244484, 12805605, 17074140, 25611210, 51222420]

約数ペア:

[(1, 51222420), (2, 25611210), (3, 17074140), (4, 12805605), (5, 10244484), (6, 8537070), (9, 5691380), (10, 5122242), (12, 4268535), (15, 3414828), (18, 2845690), (20, 2561121), (30, 1707414), (36, 1422845), (45, 1138276), (60, 853707), (90, 569138), (180, 284569), (383, 133740), (743, 68940), (766, 66870), (1149, 44580), (1486, 34470), (1532, 33435), (1915, 26748), (2229, 22980), (2298, 22290), (2972, 17235), (3447, 14860), (3715, 13788), (3830, 13374), (4458, 11490), (4596, 11145), (5745, 8916), (6687, 7660), (6894, 7430)]