81715830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{55589}}^1$

素因数の和:55613

約数の個数: 48

約数和(自身を含む): 228141360

約数和(自身を除く): 146425530

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 55589, 111178, 166767, 277945, 333534, 389123, 555890, 778246, 833835, 1167369, 1667670, 1945615, 2334738, 2723861, 3891230, 5447722, 5836845, 8171583, 11673690, 13619305, 16343166, 27238610, 40857915, 81715830]

約数ペア:

[(1, 81715830), (2, 40857915), (3, 27238610), (5, 16343166), (6, 13619305), (7, 11673690), (10, 8171583), (14, 5836845), (15, 5447722), (21, 3891230), (30, 2723861), (35, 2334738), (42, 1945615), (49, 1667670), (70, 1167369), (98, 833835), (105, 778246), (147, 555890), (210, 389123), (245, 333534), (294, 277945), (490, 166767), (735, 111178), (1470, 55589)]