27989360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{331}}^1$

素因数の和:502

約数の個数: 80

約数和(自身を含む): 75090432

約数和(自身を除く): 47101072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 151, 280, 302, 331, 560, 604, 662, 755, 1057, 1208, 1324, 1510, 1655, 2114, 2317, 2416, 2648, 3020, 3310, 4228, 4634, 5285, 5296, 6040, 6620, 8456, 9268, 10570, 11585, 12080, 13240, 16912, 18536, 21140, 23170, 26480, 37072, 42280, 46340, 49981, 84560, 92680, 99962, 185360, 199924, 249905, 349867, 399848, 499810, 699734, 799696, 999620, 1399468, 1749335, 1999240, 2798936, 3498670, 3998480, 5597872, 6997340, 13994680, 27989360]

約数ペア:

[(1, 27989360), (2, 13994680), (4, 6997340), (5, 5597872), (7, 3998480), (8, 3498670), (10, 2798936), (14, 1999240), (16, 1749335), (20, 1399468), (28, 999620), (35, 799696), (40, 699734), (56, 499810), (70, 399848), (80, 349867), (112, 249905), (140, 199924), (151, 185360), (280, 99962), (302, 92680), (331, 84560), (560, 49981), (604, 46340), (662, 42280), (755, 37072), (1057, 26480), (1208, 23170), (1324, 21140), (1510, 18536), (1655, 16912), (2114, 13240), (2317, 12080), (2416, 11585), (2648, 10570), (3020, 9268), (3310, 8456), (4228, 6620), (4634, 6040), (5285, 5296)]