81954240

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{85369}}^1$

素因数の和:85389

約数の個数: 56

約数和(自身を含む): 260207760

約数和(自身を除く): 178253520

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, 160, 192, 240, 320, 480, 960, 85369, 170738, 256107, 341476, 426845, 512214, 682952, 853690, 1024428, 1280535, 1365904, 1707380, 2048856, 2561070, 2731808, 3414760, 4097712, 5122140, 5463616, 6829520, 8195424, 10244280, 13659040, 16390848, 20488560, 27318080, 40977120, 81954240]

約数ペア:

[(1, 81954240), (2, 40977120), (3, 27318080), (4, 20488560), (5, 16390848), (6, 13659040), (8, 10244280), (10, 8195424), (12, 6829520), (15, 5463616), (16, 5122140), (20, 4097712), (24, 3414760), (30, 2731808), (32, 2561070), (40, 2048856), (48, 1707380), (60, 1365904), (64, 1280535), (80, 1024428), (96, 853690), (120, 682952), (160, 512214), (192, 426845), (240, 341476), (320, 256107), (480, 170738), (960, 85369)]