81287040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{42337}}^1$

素因数の和:42359

約数の個数: 64

約数和(自身を含む): 259108560

約数和(自身を除く): 177821520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 42337, 84674, 127011, 169348, 211685, 254022, 338696, 423370, 508044, 635055, 677392, 846740, 1016088, 1270110, 1354784, 1693480, 2032176, 2540220, 2709568, 3386960, 4064352, 5080440, 5419136, 6773920, 8128704, 10160880, 13547840, 16257408, 20321760, 27095680, 40643520, 81287040]

約数ペア:

[(1, 81287040), (2, 40643520), (3, 27095680), (4, 20321760), (5, 16257408), (6, 13547840), (8, 10160880), (10, 8128704), (12, 6773920), (15, 5419136), (16, 5080440), (20, 4064352), (24, 3386960), (30, 2709568), (32, 2540220), (40, 2032176), (48, 1693480), (60, 1354784), (64, 1270110), (80, 1016088), (96, 846740), (120, 677392), (128, 635055), (160, 508044), (192, 423370), (240, 338696), (320, 254022), (384, 211685), (480, 169348), (640, 127011), (960, 84674), (1920, 42337)]