30120440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1109}}^1$

素因数の和:1224

約数の個数: 64

約数和(自身を含む): 78321600

約数和(自身を除く): 48201160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 485, 679, 776, 970, 1109, 1358, 1940, 2218, 2716, 3395, 3880, 4436, 5432, 5545, 6790, 7763, 8872, 11090, 13580, 15526, 22180, 27160, 31052, 38815, 44360, 62104, 77630, 107573, 155260, 215146, 310520, 430292, 537865, 753011, 860584, 1075730, 1506022, 2151460, 3012044, 3765055, 4302920, 6024088, 7530110, 15060220, 30120440]

約数ペア:

[(1, 30120440), (2, 15060220), (4, 7530110), (5, 6024088), (7, 4302920), (8, 3765055), (10, 3012044), (14, 2151460), (20, 1506022), (28, 1075730), (35, 860584), (40, 753011), (56, 537865), (70, 430292), (97, 310520), (140, 215146), (194, 155260), (280, 107573), (388, 77630), (485, 62104), (679, 44360), (776, 38815), (970, 31052), (1109, 27160), (1358, 22180), (1940, 15526), (2218, 13580), (2716, 11090), (3395, 8872), (3880, 7763), (4436, 6790), (5432, 5545)]