216393240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{257611}}^1$

素因数の和:257632

約数の個数: 64

約数和(自身を含む): 741922560

約数和(自身を除く): 525529320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 257611, 515222, 772833, 1030444, 1288055, 1545666, 1803277, 2060888, 2576110, 3091332, 3606554, 3864165, 5152220, 5409831, 6182664, 7213108, 7728330, 9016385, 10304440, 10819662, 14426216, 15456660, 18032770, 21639324, 27049155, 30913320, 36065540, 43278648, 54098310, 72131080, 108196620, 216393240]

約数ペア:

[(1, 216393240), (2, 108196620), (3, 72131080), (4, 54098310), (5, 43278648), (6, 36065540), (7, 30913320), (8, 27049155), (10, 21639324), (12, 18032770), (14, 15456660), (15, 14426216), (20, 10819662), (21, 10304440), (24, 9016385), (28, 7728330), (30, 7213108), (35, 6182664), (40, 5409831), (42, 5152220), (56, 3864165), (60, 3606554), (70, 3091332), (84, 2576110), (105, 2060888), (120, 1803277), (140, 1545666), (168, 1288055), (210, 1030444), (280, 772833), (420, 515222), (840, 257611)]