85488760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1447}}^1$

素因数の和:1676

約数の個数: 64

約数和(自身を含む): 221022720

約数和(自身を除く): 135533960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 211, 280, 422, 844, 1055, 1447, 1477, 1688, 2110, 2894, 2954, 4220, 5788, 5908, 7235, 7385, 8440, 10129, 11576, 11816, 14470, 14770, 20258, 28940, 29540, 40516, 50645, 57880, 59080, 81032, 101290, 202580, 305317, 405160, 610634, 1221268, 1526585, 2137219, 2442536, 3053170, 4274438, 6106340, 8548876, 10686095, 12212680, 17097752, 21372190, 42744380, 85488760]

約数ペア:

[(1, 85488760), (2, 42744380), (4, 21372190), (5, 17097752), (7, 12212680), (8, 10686095), (10, 8548876), (14, 6106340), (20, 4274438), (28, 3053170), (35, 2442536), (40, 2137219), (56, 1526585), (70, 1221268), (140, 610634), (211, 405160), (280, 305317), (422, 202580), (844, 101290), (1055, 81032), (1447, 59080), (1477, 57880), (1688, 50645), (2110, 40516), (2894, 29540), (2954, 28940), (4220, 20258), (5788, 14770), (5908, 14470), (7235, 11816), (7385, 11576), (8440, 10129)]