81057960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{225161}}^1$

素因数の和:225178

約数の個数: 48

約数和(自身を含む): 263439540

約数和(自身を除く): 182381580

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, 225161, 450322, 675483, 900644, 1125805, 1350966, 1801288, 2026449, 2251610, 2701932, 3377415, 4052898, 4503220, 5403864, 6754830, 8105796, 9006440, 10132245, 13509660, 16211592, 20264490, 27019320, 40528980, 81057960]

約数ペア:

[(1, 81057960), (2, 40528980), (3, 27019320), (4, 20264490), (5, 16211592), (6, 13509660), (8, 10132245), (9, 9006440), (10, 8105796), (12, 6754830), (15, 5403864), (18, 4503220), (20, 4052898), (24, 3377415), (30, 2701932), (36, 2251610), (40, 2026449), (45, 1801288), (60, 1350966), (72, 1125805), (90, 900644), (120, 675483), (180, 450322), (360, 225161)]