163900980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{910561}}^1$

素因数の和:910576

約数の個数: 36

約数和(自身を含む): 497166852

約数和(自身を除く): 333265872

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 910561, 1821122, 2731683, 3642244, 4552805, 5463366, 8195049, 9105610, 10926732, 13658415, 16390098, 18211220, 27316830, 32780196, 40975245, 54633660, 81950490, 163900980]

約数ペア:

[(1, 163900980), (2, 81950490), (3, 54633660), (4, 40975245), (5, 32780196), (6, 27316830), (9, 18211220), (10, 16390098), (12, 13658415), (15, 10926732), (18, 9105610), (20, 8195049), (30, 5463366), (36, 4552805), (45, 3642244), (60, 2731683), (90, 1821122), (180, 910561)]