78556240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{929}}^1$

素因数の和:1100

約数の個数: 80

約数和(自身を含む): 210343680

約数和(自身を除く): 131787440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 151, 280, 302, 560, 604, 755, 929, 1057, 1208, 1510, 1858, 2114, 2416, 3020, 3716, 4228, 4645, 5285, 6040, 6503, 7432, 8456, 9290, 10570, 12080, 13006, 14864, 16912, 18580, 21140, 26012, 32515, 37160, 42280, 52024, 65030, 74320, 84560, 104048, 130060, 140279, 260120, 280558, 520240, 561116, 701395, 981953, 1122232, 1402790, 1963906, 2244464, 2805580, 3927812, 4909765, 5611160, 7855624, 9819530, 11222320, 15711248, 19639060, 39278120, 78556240]

約数ペア:

[(1, 78556240), (2, 39278120), (4, 19639060), (5, 15711248), (7, 11222320), (8, 9819530), (10, 7855624), (14, 5611160), (16, 4909765), (20, 3927812), (28, 2805580), (35, 2244464), (40, 1963906), (56, 1402790), (70, 1122232), (80, 981953), (112, 701395), (140, 561116), (151, 520240), (280, 280558), (302, 260120), (560, 140279), (604, 130060), (755, 104048), (929, 84560), (1057, 74320), (1208, 65030), (1510, 52024), (1858, 42280), (2114, 37160), (2416, 32515), (3020, 26012), (3716, 21140), (4228, 18580), (4645, 16912), (5285, 14864), (6040, 13006), (6503, 12080), (7432, 10570), (8456, 9290)]