1685680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1109}}^1$

素因数の和:1141

約数の個数: 40

約数和(自身を含む): 4129200

約数和(自身を除く): 2443520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1109, 1520, 2218, 4436, 5545, 8872, 11090, 17744, 21071, 22180, 42142, 44360, 84284, 88720, 105355, 168568, 210710, 337136, 421420, 842840, 1685680]

約数ペア:

[(1, 1685680), (2, 842840), (4, 421420), (5, 337136), (8, 210710), (10, 168568), (16, 105355), (19, 88720), (20, 84284), (38, 44360), (40, 42142), (76, 22180), (80, 21071), (95, 17744), (152, 11090), (190, 8872), (304, 5545), (380, 4436), (760, 2218), (1109, 1520)]