215530840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{1607}}^1$

素因数の和:2104

約数の個数: 64

約数和(自身を含む): 555724800

約数和(自身を除く): 340193960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 479, 958, 1607, 1916, 2395, 3214, 3353, 3832, 4790, 6428, 6706, 8035, 9580, 11249, 12856, 13412, 16070, 16765, 19160, 22498, 26824, 32140, 33530, 44996, 56245, 64280, 67060, 89992, 112490, 134120, 224980, 449960, 769753, 1539506, 3079012, 3848765, 5388271, 6158024, 7697530, 10776542, 15395060, 21553084, 26941355, 30790120, 43106168, 53882710, 107765420, 215530840]

約数ペア:

[(1, 215530840), (2, 107765420), (4, 53882710), (5, 43106168), (7, 30790120), (8, 26941355), (10, 21553084), (14, 15395060), (20, 10776542), (28, 7697530), (35, 6158024), (40, 5388271), (56, 3848765), (70, 3079012), (140, 1539506), (280, 769753), (479, 449960), (958, 224980), (1607, 134120), (1916, 112490), (2395, 89992), (3214, 67060), (3353, 64280), (3832, 56245), (4790, 44996), (6428, 33530), (6706, 32140), (8035, 26824), (9580, 22498), (11249, 19160), (12856, 16765), (13412, 16070)]