1608208020

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{330907}}^1$

素因数の和:330931

約数の個数: 72

約数和(自身を含む): 5058921504

約数和(自身を除く): 3450713484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 330907, 661814, 992721, 1323628, 1654535, 1985442, 2978163, 3309070, 3970884, 4963605, 5956326, 6618140, 8934489, 9927210, 11912652, 14890815, 17868978, 19854420, 26803467, 29781630, 35737956, 44672445, 53606934, 59563260, 80410401, 89344890, 107213868, 134017335, 160820802, 178689780, 268034670, 321641604, 402052005, 536069340, 804104010, 1608208020]

約数ペア:

[(1, 1608208020), (2, 804104010), (3, 536069340), (4, 402052005), (5, 321641604), (6, 268034670), (9, 178689780), (10, 160820802), (12, 134017335), (15, 107213868), (18, 89344890), (20, 80410401), (27, 59563260), (30, 53606934), (36, 44672445), (45, 35737956), (54, 29781630), (60, 26803467), (81, 19854420), (90, 17868978), (108, 14890815), (135, 11912652), (162, 9927210), (180, 8934489), (243, 6618140), (270, 5956326), (324, 4963605), (405, 3970884), (486, 3309070), (540, 2978163), (810, 1985442), (972, 1654535), (1215, 1323628), (1620, 992721), (2430, 661814), (4860, 330907)]