128587920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{535783}}^1$

素因数の和:535799

約数の個数: 40

約数和(自身を含む): 398623296

約数和(自身を除く): 270035376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 535783, 1071566, 1607349, 2143132, 2678915, 3214698, 4286264, 5357830, 6429396, 8036745, 8572528, 10715660, 12858792, 16073490, 21431320, 25717584, 32146980, 42862640, 64293960, 128587920]

約数ペア:

[(1, 128587920), (2, 64293960), (3, 42862640), (4, 32146980), (5, 25717584), (6, 21431320), (8, 16073490), (10, 12858792), (12, 10715660), (15, 8572528), (16, 8036745), (20, 6429396), (24, 5357830), (30, 4286264), (40, 3214698), (48, 2678915), (60, 2143132), (80, 1607349), (120, 1071566), (240, 535783)]