521123120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{22697}}^1$

素因数の和:22758

約数の個数: 80

約数和(自身を含む): 1418534208

約数和(自身を除く): 897411088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 656, 820, 1148, 1435, 1640, 2296, 2870, 3280, 4592, 5740, 11480, 22697, 22960, 45394, 90788, 113485, 158879, 181576, 226970, 317758, 363152, 453940, 635516, 794395, 907880, 930577, 1271032, 1588790, 1815760, 1861154, 2542064, 3177580, 3722308, 4652885, 6355160, 6514039, 7444616, 9305770, 12710320, 13028078, 14889232, 18611540, 26056156, 32570195, 37223080, 52112312, 65140390, 74446160, 104224624, 130280780, 260561560, 521123120]

約数ペア:

[(1, 521123120), (2, 260561560), (4, 130280780), (5, 104224624), (7, 74446160), (8, 65140390), (10, 52112312), (14, 37223080), (16, 32570195), (20, 26056156), (28, 18611540), (35, 14889232), (40, 13028078), (41, 12710320), (56, 9305770), (70, 7444616), (80, 6514039), (82, 6355160), (112, 4652885), (140, 3722308), (164, 3177580), (205, 2542064), (280, 1861154), (287, 1815760), (328, 1588790), (410, 1271032), (560, 930577), (574, 907880), (656, 794395), (820, 635516), (1148, 453940), (1435, 363152), (1640, 317758), (2296, 226970), (2870, 181576), (3280, 158879), (4592, 113485), (5740, 90788), (11480, 45394), (22697, 22960)]