128211480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{356143}}^1$

素因数の和:356160

約数の個数: 48

約数和(自身を含む): 416688480

約数和(自身を除く): 288477000

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, 356143, 712286, 1068429, 1424572, 1780715, 2136858, 2849144, 3205287, 3561430, 4273716, 5342145, 6410574, 7122860, 8547432, 10684290, 12821148, 14245720, 16026435, 21368580, 25642296, 32052870, 42737160, 64105740, 128211480]

約数ペア:

[(1, 128211480), (2, 64105740), (3, 42737160), (4, 32052870), (5, 25642296), (6, 21368580), (8, 16026435), (9, 14245720), (10, 12821148), (12, 10684290), (15, 8547432), (18, 7122860), (20, 6410574), (24, 5342145), (30, 4273716), (36, 3561430), (40, 3205287), (45, 2849144), (60, 2136858), (72, 1780715), (90, 1424572), (120, 1068429), (180, 712286), (360, 356143)]