2505160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:430

約数の個数: 64

約数和(自身を含む): 6739200

約数和(自身を除く): 4234040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 389, 460, 644, 778, 805, 920, 1288, 1556, 1610, 1945, 2723, 3112, 3220, 3890, 5446, 6440, 7780, 8947, 10892, 13615, 15560, 17894, 21784, 27230, 35788, 44735, 54460, 62629, 71576, 89470, 108920, 125258, 178940, 250516, 313145, 357880, 501032, 626290, 1252580, 2505160]

約数ペア:

[(1, 2505160), (2, 1252580), (4, 626290), (5, 501032), (7, 357880), (8, 313145), (10, 250516), (14, 178940), (20, 125258), (23, 108920), (28, 89470), (35, 71576), (40, 62629), (46, 54460), (56, 44735), (70, 35788), (92, 27230), (115, 21784), (140, 17894), (161, 15560), (184, 13615), (230, 10892), (280, 8947), (322, 7780), (389, 6440), (460, 5446), (644, 3890), (778, 3220), (805, 3112), (920, 2723), (1288, 1945), (1556, 1610)]