145721880

素因数分解:

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

素因数の和:404800

約数の個数: 48

約数和(自身を含む): 473597280

約数和(自身を除く): 327875400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 404783, 809566, 1214349, 1619132, 2023915, 2428698, 3238264, 3643047, 4047830, 4857396, 6071745, 7286094, 8095660, 9714792, 12143490, 14572188, 16191320, 18215235, 24286980, 29144376, 36430470, 48573960, 72860940, 145721880]

約数ペア:

[(1, 145721880), (2, 72860940), (3, 48573960), (4, 36430470), (5, 29144376), (6, 24286980), (8, 18215235), (9, 16191320), (10, 14572188), (12, 12143490), (15, 9714792), (18, 8095660), (20, 7286094), (24, 6071745), (30, 4857396), (36, 4047830), (40, 3643047), (45, 3238264), (60, 2428698), (72, 2023915), (90, 1619132), (120, 1214349), (180, 809566), (360, 404783)]