261788040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{727189}}^1$

素因数の和:727206

約数の個数: 48

約数和(自身を含む): 850812300

約数和(自身を除く): 589024260

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, 727189, 1454378, 2181567, 2908756, 3635945, 4363134, 5817512, 6544701, 7271890, 8726268, 10907835, 13089402, 14543780, 17452536, 21815670, 26178804, 29087560, 32723505, 43631340, 52357608, 65447010, 87262680, 130894020, 261788040]

約数ペア:

[(1, 261788040), (2, 130894020), (3, 87262680), (4, 65447010), (5, 52357608), (6, 43631340), (8, 32723505), (9, 29087560), (10, 26178804), (12, 21815670), (15, 17452536), (18, 14543780), (20, 13089402), (24, 10907835), (30, 8726268), (36, 7271890), (40, 6544701), (45, 5817512), (60, 4363134), (72, 3635945), (90, 2908756), (120, 2181567), (180, 1454378), (360, 727189)]