81269280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{56437}}^1$

素因数の和:56458

約数の個数: 72

約数和(自身を含む): 277336332

約数和(自身を除く): 196067052

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 56437, 112874, 169311, 225748, 282185, 338622, 451496, 507933, 564370, 677244, 846555, 902992, 1015866, 1128740, 1354488, 1693110, 1805984, 2031732, 2257480, 2539665, 2708976, 3386220, 4063464, 4514960, 5079330, 5417952, 6772440, 8126928, 9029920, 10158660, 13544880, 16253856, 20317320, 27089760, 40634640, 81269280]

約数ペア:

[(1, 81269280), (2, 40634640), (3, 27089760), (4, 20317320), (5, 16253856), (6, 13544880), (8, 10158660), (9, 9029920), (10, 8126928), (12, 6772440), (15, 5417952), (16, 5079330), (18, 4514960), (20, 4063464), (24, 3386220), (30, 2708976), (32, 2539665), (36, 2257480), (40, 2031732), (45, 1805984), (48, 1693110), (60, 1354488), (72, 1128740), (80, 1015866), (90, 902992), (96, 846555), (120, 677244), (144, 564370), (160, 507933), (180, 451496), (240, 338622), (288, 282185), (360, 225748), (480, 169311), (720, 112874), (1440, 56437)]