15780360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1229}}^1$

素因数の和:1350

約数の個数: 64

約数和(自身を含む): 47822400

約数和(自身を除く): 32042040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 107, 120, 214, 321, 428, 535, 642, 856, 1070, 1229, 1284, 1605, 2140, 2458, 2568, 3210, 3687, 4280, 4916, 6145, 6420, 7374, 9832, 12290, 12840, 14748, 18435, 24580, 29496, 36870, 49160, 73740, 131503, 147480, 263006, 394509, 526012, 657515, 789018, 1052024, 1315030, 1578036, 1972545, 2630060, 3156072, 3945090, 5260120, 7890180, 15780360]

約数ペア:

[(1, 15780360), (2, 7890180), (3, 5260120), (4, 3945090), (5, 3156072), (6, 2630060), (8, 1972545), (10, 1578036), (12, 1315030), (15, 1052024), (20, 789018), (24, 657515), (30, 526012), (40, 394509), (60, 263006), (107, 147480), (120, 131503), (214, 73740), (321, 49160), (428, 36870), (535, 29496), (642, 24580), (856, 18435), (1070, 14748), (1229, 12840), (1284, 12290), (1605, 9832), (2140, 7374), (2458, 6420), (2568, 6145), (3210, 4916), (3687, 4280)]