218582820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{404783}}^1$

素因数の和:404801

約数の個数: 48

約数和(自身を含む): 680037120

約数和(自身を除く): 461454300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 404783, 809566, 1214349, 1619132, 2023915, 2428698, 3643047, 4047830, 4857396, 6071745, 7286094, 8095660, 10929141, 12143490, 14572188, 18215235, 21858282, 24286980, 36430470, 43716564, 54645705, 72860940, 109291410, 218582820]

約数ペア:

[(1, 218582820), (2, 109291410), (3, 72860940), (4, 54645705), (5, 43716564), (6, 36430470), (9, 24286980), (10, 21858282), (12, 18215235), (15, 14572188), (18, 12143490), (20, 10929141), (27, 8095660), (30, 7286094), (36, 6071745), (45, 4857396), (54, 4047830), (60, 3643047), (90, 2428698), (108, 2023915), (135, 1619132), (180, 1214349), (270, 809566), (540, 404783)]