81715410

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{129707}}^1$

素因数の和:129727

約数の個数: 48

約数和(自身を含む): 242813376

約数和(自身を除く): 161097966

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 129707, 259414, 389121, 648535, 778242, 907949, 1167363, 1297070, 1815898, 1945605, 2334726, 2723847, 3891210, 4539745, 5447694, 5836815, 8171541, 9079490, 11673630, 13619235, 16343082, 27238470, 40857705, 81715410]

約数ペア:

[(1, 81715410), (2, 40857705), (3, 27238470), (5, 16343082), (6, 13619235), (7, 11673630), (9, 9079490), (10, 8171541), (14, 5836815), (15, 5447694), (18, 4539745), (21, 3891210), (30, 2723847), (35, 2334726), (42, 1945605), (45, 1815898), (63, 1297070), (70, 1167363), (90, 907949), (105, 778242), (126, 648535), (210, 389121), (315, 259414), (630, 129707)]