81268960

素因数分解:

$2^5\times 5^1\times {\mathrm{59}}^1\times {\mathrm{8609}}^1$

素因数の和:8683

約数の個数: 48

約数和(自身を含む): 195274800

約数和(自身を除く): 114005840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 80, 118, 160, 236, 295, 472, 590, 944, 1180, 1888, 2360, 4720, 8609, 9440, 17218, 34436, 43045, 68872, 86090, 137744, 172180, 275488, 344360, 507931, 688720, 1015862, 1377440, 2031724, 2539655, 4063448, 5079310, 8126896, 10158620, 16253792, 20317240, 40634480, 81268960]

約数ペア:

[(1, 81268960), (2, 40634480), (4, 20317240), (5, 16253792), (8, 10158620), (10, 8126896), (16, 5079310), (20, 4063448), (32, 2539655), (40, 2031724), (59, 1377440), (80, 1015862), (118, 688720), (160, 507931), (236, 344360), (295, 275488), (472, 172180), (590, 137744), (944, 86090), (1180, 68872), (1888, 43045), (2360, 34436), (4720, 17218), (8609, 9440)]